Revamped documentation due to #2915 and #2898
Ensured WatchService watches directory recursively

* Also fixed MatchError on FreeBSD
New intellij documentation
Merge pull request #3193 from benmccann/idea-23x

New intellij documentation
Upgrade SBT native packager to 0.7.2 to get recent bug fixes
Merge pull request #3194 from benmccann/sbt-native-packager-072-23x

Upgrade SBT native packager to 0.7.2 to get recent bug fixes