add RailEditor to cabal file
cabal-file: add missing dependency for RailEditor build
cabal-file: change order of dependencies

Does this actually matter?
use a null byte to terminate strings (closes #93)
.travis: install libghc-gtk-dev
export bin from cabal
try to fix travis build and cabal file
try fixing travis build
use older llvm version for travis
added llvm-3.3 version constraint
fixed travis llvm version again...
updated readme to include editor dependencies and new compiler options
formatting in integration-test script
README: added some documentation for the test environment
Merge branch 'master' into gui