removed isSupported from ContentViewer API
removed deprecated method in strings content viweer
Reduced RecentActivity API via making veriables private and reducing scope of classes.  Also removed dead enums
Updated for hash database reworking
Merge remote-tracking branch 'upstream/develop' into rework_hashdb
Merge remote-tracking branch 'upstream/develop' into rework_hashdb
Merge branch 'develop' of github.com:sleuthkit/autopsy into develop
Merge pull request #431 from rcordovano/rework_hashdb

Rework hashdb
Merge branch 'develop' of github.com:sleuthkit/autopsy into develop
Merge remote-tracking branch 'upstream/develop' into mmext
Use AbstractFile.getNameExtension()
Also add "adp" extension to plaintext.