Added use of aidlSourceDirectory (issue-173)
updated to platform 19 since that is what is now installed as part of the travis ci server setup
Merge pull request #55 from william-ferguson-au/issue-173

Added use of aidlSourceDirectory (issue-173)
Renaming layout/main.xml so that we we have no conflicts between dependnecies and/or main project for layout resource ids. (Issue-463)
Merge pull request #56 from william-ferguson-au/issue-463-b

Renaming layout/main.xml so that we we have no conflicts for resource layouts of the same name