Merging Signals2 to release branch.
Merged [51797] from trunk.
Merged [52404] from trunk.
Merged [52654] [52627] and [52477] from trunk.
Merged [52372] and [52385] from trunk.
Merged [52659] from trunk.
cmakefiles for signals2
Merged changesets [53091], [53128], [53130], [53131], and [53132]
from trunk to release.
test tuneups for cmakeland'
Merged Boost.Signals2 revisions r53132:53548 from trunk to release.
Fixed my email address.
Merged [53554] from trunk to release.
Merged [53599] to release.  Fixes #3125.
Merged [53779] from trunk.
Merged [53793] to release.
Merged [55002] from trunk.  Fixes #3268.
Add basic copyright/license to keep cmake out of the inspection report
Merged from trunk.
Merged some bug fixes from trunk to release.
Closes #3522.
rm cmake from the release branch before it goes out broken.  Policy dictates that you never commit to release, you commit to trunk and merge to release.