scala file
check if RxScala is usable
Merge branch 'master' into rx
Merge branch 'master' into rx
introduce RxScala to observe card events

(first step refactoring the Observer 
to use a more maintainable framework)
migrate to scala
cleanup to better handle deck overlay disposal
Merge branch 'fixes' into rx
Merge branch 'master' into rx
better look for deck overlay
fix SI:7 card url
Merge branch 'master' into rx
Merge branch 'fixes' into rx
Merge pull request #358 from tyrcho/release

maven Release
Merge pull request #359 from tyrcho/master

better look for deck overlay
Merge pull request #360 from tyrcho/fixes

fix SI:7 card url
Disabled automatic checking of Hearthstone location on Windows XP

The call being used to determine the location of Hearthstone is only available on Window Vista and later, so it was breaking XP. I don't have Windows XP installed so I can't test this, but it's likely that this fixes #362.
Manually updated version numbers to v0.17.5-SNAPSHOT in preparation for using the maven release plugin
Changed <developerConnection> in parent maven pom
[maven-release-plugin] prepare release v0.17.5-osx