Support for Scala 2.11.2.
Small changes to help browsing scala reference sources
Merge pull request #536 from marcsaegesser/2.11.2-Dev

Support for Scala 2.11.2.
persist the ivy cache in dropbox
Merge pull request #541 from fommil/travis_ivy

persist the ivy cache in dropbox
Merge pull request #539 from edani/load-libs

Small changes to help browsing scala reference sources
coverage must >= 40%
Fixed dependencies for 0.13.x style macros
Merge pull request #546 from sksamuel/master

Fixed dependencies for 0.13.x style macros
WIP start rearranging initialisation
WIP refactoring startup and init behaviour
Fix intg test
Cleanups on startup refactor
refactor indexing layer