BreakpointWidget: Fix look of header
Merge remote-tracking branch 'origin/1.7'
Coding style: Prefix all members with m_
Fix porting bug.

KTE::Range/Cursor::start/end don't return references.
duchainregister: Add new macros/functions

These are useful for registering classes at runtime (thus, not during
static initialization).
add missing translation domains + Remove unnecessary Messages.sh
REVIEW:121274
REVIEW:121275