Bug 431255 - Update Photran features to use shared license

Change-Id: I397ba2d65e821af8b765ce9380783e9419dd894f
Signed-off-by: Greg Watson <g.watson@computer.org>
Bug 414906 - Class/Derived type and context aware autocompletion
Updated history appendix (LaTeX source only)
Guarded getShell() to prevent "Widget is disposed" error
Bugs 343798, 346120 - newunit=, DO CONCURRENT
Update to 8.2.1
Bug 438963 - UnsupportedOperationException in iso_c_binding code
Bugs 428848, 406502 - name=>null() tokenization
Bugs 428848, 406502 - name=>null() tokenization
Merge branch 'ptp_8_0'
Cleaned compiler warnings, failing tests
Bug 439625 - NPE in CDTBasedTextEditor#dispose
Cache isFixedForm and isCPreprocessed
Minimal edits to function without VPG plug-ins
ILookaheadLineReader: use CharSequence, not String
Deleted org.eclipse.rephraserengine projects
Fix RAMDBTests
Deleted VPG extension point; hard-coded PhotranVPG
Removed @since tags (Rephraser -> internal)
Renamed rephraser-support -> photran-support
Added tests for bugs 210941, 166858