Adding new test features in Collection, Queue, Point and Random
amberc: fix output of 'amberc --help'
amberc.js: check amber_dir in constructor
amberc.js: support multiple library directories
Update unit tests
amberc.js: move handling of amber_dir/js and amber_dir/support into AmberC.main()
amberc.js: remove special handling of files in $AMBER/support
amberc: add -L flag to specify additional library directories
grunt-amberc.js: add library_dirs parameter to 'options' which can be used to specify additional library locations
amberc: remove obsolete 'amber_dir' parameter from createDefaults()
Gruntfile.js: remove @ for handling of files in /support
Gruntfile.js: remove obsolete target
Gruntfile: remove yet another obsolete target (amber_compiler)
Merge pull request #700 from mkroehnert/compiler

Compilerflag for specifying js library search directories
Adds AMDPackageTransport >> printOn: with the namespace
- adds Package >> definition
- adds Package class >> named:transport:
- Trigger and announcement on Package creation
Helios changes:
- listen to PackageAdded announcements
- adds Package definition in the code area
Merge pull request #699 from tony-tran/newTestFeatures

Adding new test features in Collection, Queue, Point and Random
- Moves TestFirst, etc. from ArrayTest to SequenceableCollectionTest
- Uses #collection in tests whenever possible
- Collection tests reformatting
Small StringTest reformattings