Reenable testTestRunner
Remove redundant lifecycle mapping

This is already defined in the tycho connector.
Upgrade to latest version of Tycho.
Tidied build configuration.
CI build speed improvements.

Improve CI build speed by caching downloaded dependencies:

http://docs.travis-ci.com/user/caching/

Appears to reduce build times from 13-18 minutes to 9-15 minutes.
Merge pull request #291 from WonderCsabo/removeRedundantLifecylemapping

Remove redundant lifecycle mapping.
Added open source license to distribution.
Added Eclipse Mars (4.5.x) target definition.

Added Eclipse Mars version 4.5.x target definition to continuous build.

https://github.com/rgladwell/m2e-android/issues/289
Merge pull request #286 from WonderCsabo/reenable-testtestrunner

Reenable testTestRunner
Tidied documentation text.
Tidied documentation text.