merge of cmake build files from trunk per beman

svn path=/branches/release/libs/signals/; revision=50756
Merge PDF build changes from Trunk.

svn path=/branches/release/libs/signals/; revision=51417
Add basic copyright/license to keep cmake out of the inspection report

svn path=/branches/release/libs/signals/; revision=55095
Merge from trunk per Doug

svn path=/branches/release/boost/signals/; revision=55684
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.

svn path=/branches/release/libs/signals/; revision=56941
Signals: merging fix for VS2010 from trunk

svn path=/branches/release/boost/signals/; revision=57478
Merge documentation fixes.

* Use `doc/src/*.css` instead of `doc/html/*.css`.
* Remove wiki and people directories.
* Some documentation fixes.
* Left out `minimal.css` changes and boostbook changes because of clashes.

svn path=/branches/release/libs/signals/; revision=63347
Merge patch to release; fixes #4365

svn path=/branches/release/boost/signals/; revision=66856
Merge changes from [79575] to Release; fixes #4999

svn path=/branches/release/libs/signals/; revision=79709
Merge program_options revisions 79280 and 79283.

svn path=/branches/release/libs/signals/; revision=79758
Merged r79227 from trunk, hopefully fixing all VC++ Boost.Graph Graphviz test issues

svn path=/branches/release/libs/signals/; revision=79771
merged [80550], allowing users to force result_of to use decltype

svn path=/branches/release/libs/signals/; revision=80551
Merge bug fixes to release; Fixes #7399 Fixes #7400 Fixes #7401

svn path=/branches/release/libs/signals/; revision=80670
Merge doc fixes to release; Fixes #7244

svn path=/branches/release/libs/signals/; revision=80694
Merged Boost.Graph changes from trunk

svn path=/branches/release/libs/signals/; revision=80740
Merge signals bug fixes from the trunk.

svn path=/branches/release/boost/signals/; revision=80978
Changed version to 1.53

svn path=/branches/release/libs/signals/; revision=81305
Merge deprecated macro change for Boost.LocalFunction to release; no functionality change

svn path=/branches/release/libs/signals/; revision=81851