Fix of back linking
Merge branch 'master' of https://github.com/scala-vienna/DevFest2013-Workshop
link to our zip file on GitHub
Merge pull request #8 from xpavlic4/master

link to our zip file on GitHub
common stuff to all workshops
simple test of FunSuite
null vs option (part 1)
fix links to https://github.com/scala-vienna/DevFest2013-Workshop/
option vs. null
null vs option in tutorial
Merge pull request #9 from xpavlic4/master

Null vs. Option
Collections exercises - Pending: Maps
Fixes and a hint
Merge pull request #12 from sebnozzi/master

Initial implementation of Collections (issue #7)