Startup refactor and general cleanup
Merge pull request #529 from rorygraves/config_cleanup

Startup refactor and general cleanup
Load files in presentation compiler using getSourceFile

This allows files to be loaded using the encoding specified
in compiler options, rather than the system default
Make the integration test run in Windows

- sbt invocation
- use OS-dependent path names
- ensure Unix line endings in test source files
Merge pull request #533 from edani/encoding

Fix two Windows-related issues
Properly highlight setter operators taking into account the _= suffix.
Merge pull request #534 from marcsaegesser/HighlightSetterOpr

Properly highlight setter operators taking into account the _= suffix.
Support for Scala 2.11.2.
Merge pull request #536 from marcsaegesser/2.11.2-Dev

Support for Scala 2.11.2.
persist the ivy cache in dropbox