gh-56 added finish instruction
Merge branch 'intertarget-code' of https://github.com/SWP-Ubau-SoSe2014-Haskell/SWPSoSe14 into intertarget-code

Conflicts:
	src/RailCompiler/IntermediateCode.hs
gh-56 small fix
Merge remote-tracking branch 'origin/master' into intertarget-code
Boom: Print clearer error message.
Merge branch 'master' into intertarget-code
Fix "boom" test.
First attempt at merging old EOF check code
stack.ll: delete memcopy declaration because it breaks build
implement junction
Integration tests added for calculations. Negative test missing. By xconnect
run integration_test.sh from test main
Merge branch 'master' into system-tests
added process dependency for tests.
test failure exit code
deleted failing test again
Merge branch 'system-tests'
removed redundant call to the test script in travil file
added greater function
Make input() use the lookahead functionality.

Done by simply calling input_get() instead of directly using getchar().
Issue #37.