small bug fixes
general improvemens on version record. 
most important change here is the force newByteChannel execute even if file already exists -> so we avoid have to delete before create (in git case it was messing the commmit history)
improvements on dcore attrs (flexibility) + fixed some issues on jgit provider (related to commented option)
fixed issue regarding paths with trailing separator
Set release version: 6.0.0.Alpha7 (0.1.1.Final for UberFire)
Set release version: 6.0.0-SNAPSHOT (0.2.0-SNAPSHOT for UberFire)
removing snapshot versions - and for now unnecessary/unused impls
Set version to 6.0.0.Alpha8
Set next dev version:6.0.0-SNAPSHOT
Set release version: Drools 6.0.0.Alpha9 and uberfire 0.2.0.Alpha2
Set next development version: 6.0.0.-SNAPSHOT and uberfire 0.2.0-SNAPSHOT
improvements on indexing - specially versioned info (authors, checking comment, etc)
search index implementation
enable default based directory definition (based on system property)
initial (and fragile) move implementation for git