Requires aws-sdk-ec2 rather than aws-sdk

cap-ec2.gemspec

@@ -5,7 +5,7 @@ require 'cap-ec2/version'
 
 Gem::Specification.new do |spec|
   spec.name          = "cap-ec2"
-  spec.version       = CapEC2::VERSION
+  spec.version       = "1.1.3"
   spec.authors       = ["Andy Sykes", "Robert Coleman", "Forward3D Developers"]
   spec.email         = ["[email protected]", "[email protected]", "[email protected]"]
   spec.description   = %q{Cap-EC2 is used to generate Capistrano namespaces and tasks from Amazon EC2 instance tags, dynamically building the list of servers to be deployed to.}
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.3"
   spec.add_development_dependency "rake"
 
-  spec.add_dependency "aws-sdk", ">= 2.0"
+  spec.add_dependency "aws-sdk-ec2"
   spec.add_dependency "capistrano", ">= 3.0"
   spec.add_dependency "terminal-table"
   spec.add_dependency "colorize"

lib/cap-ec2/capistrano.rb

@@ -1,5 +1,5 @@
 require 'capistrano/configuration'
-require 'aws-sdk'
+require 'aws-sdk-ec2'
 require 'colorize'
 require 'terminal-table'
 require 'yaml'

lib/cap-ec2/ec2-handler.rb

@@ -1,4 +1,4 @@
-require 'aws-sdk'
+require 'aws-sdk-ec2'
 
 module CapEC2
   class EC2Handler

lib/cap-ec2/utils.rb

@@ -1,4 +1,4 @@
-require 'aws-sdk'
+require 'aws-sdk-ec2'
 
 module CapEC2
   module Utils
@@ -55,7 +55,7 @@ def load_config
       end
 
       config_location = File.expand_path(fetch(:ec2_config), Dir.pwd) if fetch(:ec2_config)
-      if config_location && File.exists?(config_location)
+      if config_location && File.exist?(config_location)
         config = YAML.load(ERB.new(File.read(fetch(:ec2_config))))
         if config
           set :ec2_project_tag, config['project_tag'] if config['project_tag']