Add copyright statements to new files
Bug 389304: Correctly escape file names for filters

Filters files which contain special characters ([]*?#!\) correctly.
Doesn't work yet on the local side because jgit does it wrong
(340715).

Also some minor TODOs (fixed comments, fixed exception handling).
Bug 409865 replace images and fix help text for Platform MPI
Bug 397588 - update help for changes to Bug 389304 - changes to sync
file filtering UI
Bug 409774 - New Sync File Filter doesn't refresh list of files
Bug 409968 - AbstractSyncFileFilter.createBuiltInDefaultFilter doesn't exist
Bug 409983 - fix creating project with existing .ptp-sync
Bug 389304 - fix two issues

- thread safety issue in GitSyncFileFilter
- filter edit dialog showing a minus before the pattern