Add request timeout for 1.8 and 2.x

• #141 increase min width of config edit slightly so that flow context pop up appears to work around possible node-red issue node-red/node-red#4497
• #134 add request timeout configuration for 1.8 and 2.x versions. It's not clear to me how to do this for library used for 1.x version. Default is 10 seconds.
• #128 add license, used Apache-2.0
• #82 add engine spec
• updated dependencies, docker images used for tests

Update lodash dependency

Fix security vulnerability #96 #97

Batch node support 1.8-Flux and Influx 2.0

• #93 Batch node now supports 1.8-Flux and 2.0 configurations
• #90 Added support for integer type suffix in batch node for 1.8-Flux and 2.0 configurations (not supported in 1.x configurations)
• Code cleanup, UI cleanup

add support for complete

• #65 add support for complete node
• #84 add multi-line ace editor for queries
• #85 remove query from default label - they were too long
• fix 'no query' error message
• add complete node to test flows

Note that this release requires Node.js 10.x or later, and Node-RED 1.0.x or later

return original message on exception

• fix #78 to return all original message fields when an exception occurs

fix UI issue when configs renamed

• fix #75, #77 when config node named, needed version was dropped from UI
• added 1.8-flux and 2.0 examples to README, fix typos
• updated docker image for Influx 2.0 to release
• improve integer string handling

Add explicit integer value type

• #71 Added support for explicit integer values using strings with 'i' suffix like '1234i'
• Added note to README on this
• updated dependencies

Support Flux and Influx 2.0

Thanks to Alberto Armijo for the work on this release.
Added support for Flux queries and InfluxDB 2.0 authentication into existing nodes.
New configuration node supports different versions and use the appropriate underlying InfluxDB node.js library.
Nodes change available options and query language (InfluxQL or Flex) depending on InfluxDB database version used.

update dependencies

• create client used by other nodes in config node
• update README to reflect latest testing with 1.8, other feedback

http status code in catch message

• add http status code from influxdb to influx_error field in catch message when exception thrown
• update README to describe above