correcting log messages and decreased loggin level in several messages
restoring vanished code

see issue #339
correcting comment for the BuildConfig generation code
implementing android aapt command builder
moving GenerateSources.generateRForApkLibDependency and AarMojo to AaptCommandBuilder
Added #aidlSourceDirectory property

The directory for the .aidl files now can be defined via this property.
If the property is not present, it fallbacks to #sourceDirectory. This
commit implements issue 173.
improving android-run in multimodule project
Incremental step towards getting Travis CI to pass unit tests
Clarify variable name
Incremental test change from API 16 to API 19
Merge pull request #346 from malachid/travis4

Incremental step towards getting Travis CI to pass unit tests
Merge pull request #340 from marchelo/restoring-missed-code

restoring vanished code
Passing in reactor projects so that we can resolve reactor dependencies.
Fixed the construction of R.java files for the dependencies of an APK.
Merge pull request #336 from marchelo/duplicate-package-name-checker-feature

Duplicate package name checker feature
Merge pull request #338 from marchelo/optimize-logging

correcting log messages and decreased loggin level in several messages
Merge pull request #341 from marchelo/aapt-commands-builder

Aapt commands builder
Merge pull request #343 from WonderCsabo/issue-173

Added #aidlSourceDirectory property
Merge pull request #344 from marchelo/android-run-action-improvment

improving android-run in multimodule project
Merge pull request #347 from william-ferguson-au/resolving-reactor-deps

Passing in reactor projects so that we can resolve reactor dependencies.