Fix Tangram ES warnings

[nvkelso]

Some of these are just FYI, some should be fixed:

TANGRAM map.cpp:231: Loading scene file (async): /Users/nvkelso/git-repos/bubble-wrap-style/bubble-wrap-style.yaml
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/OpenSans-Light.woff (open sans-300regular.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/OpenSans-Regular.woff (open sans-400regular.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/OpenSans-Italic.woff (open sans-400italic.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/OpenSans-Semibold.woff (open sans-600regular.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/OpenSans-SemiboldItalic.woff (open sans-600italic.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/OpenSans-Bold.woff (open sans-700regular.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/Montserrat-Regular.woff (montserrat-400regular.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/Montserrat-Medium.woff (montserrat-500regular.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/Montserrat-Bold.woff (montserrat-700regular.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/Varela-Regular.woff (varela-400regular.ttf)
NOTIFY sceneLoader.cpp:770: Adding local font /Users/nvkelso/git-repos/bubble-wrap-style/fonts/Quicksand-Regular.woff (quicksand-400regular.ttf)
WARNING sceneLoader.cpp:1777: Can't find data source mz_route_line for layer mz_route_line
WARNING sceneLoader.cpp:1777: Can't find data source mz_dash_line for layer mz_route_line_dash
WARNING sceneLoader.cpp:1777: Can't find data source mz_route_line_transit for layer mz_route_line_transit
WARNING sceneLoader.cpp:1777: Can't find data source mz_current_location for layer mz_current_location_gem
WARNING sceneLoader.cpp:1777: Can't find data source mz_route_location for layer mz_route_location
WARNING sceneLoader.cpp:1777: Can't find data source mz_route_start for layer mz_route_start
WARNING sceneLoader.cpp:1777: Can't find data source mz_route_destination for layer mz_route_destination
WARNING sceneLoader.cpp:1777: Can't find data source mz_route_transit_stop for layer mz_route_transit_stop
WARNING sceneLoader.cpp:1777: Can't find data source mz_search_result for layer mz_search_result
WARNING sceneLoader.cpp:1777: Can't find data source mz_dropped_pin for layer mz_dropped_pin
WARNING sceneLoader.cpp:1777: Can't find data source mz_default_point for layer mz_default_point
WARNING sceneLoader.cpp:1777: Can't find data source mz_default_shield for layer mz_default_shield
WARNING sceneLoader.cpp:1777: Can't find data source mz_default_line for layer mz_default_line
WARNING sceneLoader.cpp:1777: Can't find data source mz_default_polygon for layer mz_default_polygon
WARNING styleParam.cpp:159: Unknown StyleParam cull_from_tile:true
WARNING styleParam.cpp:159: Unknown StyleParam cull_from_tile:true
WARNING styleParam.cpp:159: Unknown StyleParam move_into_tile:true
WARNING styleParam.cpp:189: Invalid offset parameter '0,5px,'.
WARNING styleParam.cpp:189: Invalid offset parameter '0px'.
WARNING styleParam.cpp:189: Invalid offset parameter '0,5px,'.
WARNING styleParam.cpp:189: Invalid offset parameter '0px'.
WARNING styleParam.cpp:159: Unknown StyleParam move_into_tile:true
WARNING styleParam.cpp:159: Unknown StyleParam cull_from_tile:true
WARNING styleParam.cpp:159: Unknown StyleParam text:move_into_tile:false
NOTIFY tileManager.cpp:53: Remove source mapzen
NOTIFY tileManager.cpp:72: add source mapzen
TANGRAM tileWorker.cpp:51: Passed new TileBuilder to TileWorker
WARNING platform.cpp:29: Failed to read file at path: /Users/nvkelso/git-repos/bubble-wrap-style/fonts/quicksand-400italic.ttf
Font is broken or irrelevant...
LOADED Font: System Font Regular size: 28
LOADED Font: Open Sans Italic size: 28
LOADED Font: Open Sans Regular size: 40
LOADED Font: Open Sans Regular size: 28
WARNING platform.cpp:29: Failed to read file at path: /Users/nvkelso/git-repos/bubble-wrap-style/fonts/varela-200regular.ttf
LOADED Font: System Font Thin size: 28
TANGRAM tileWorker.cpp:51: Passed new TileBuilder to TileWorker
LOADED Font: Open Sans Semibold size: 40
WARNING platform.cpp:29: Failed to read file at path: /Users/nvkelso/git-repos/bubble-wrap-style/fonts/varela-300regular.ttf
Font is broken or irrelevant...
LOADED Font: System Font Light size: 28
LOADED Font: Montserrat Regular size: 28
WARNING platform.cpp:29: Failed to read file at path: /Users/nvkelso/git-repos/bubble-wrap-style/fonts/varela-300regular.ttf
Font is broken or irrelevant...
LOADED Font: System Font Light size: 40