Merged updated docs with some typo fixes, also adding missing makefile.

svn path=/branches/release/libs/regex/; revision=49460
Merge [49469], fix more newlines. Refs #2441. Probably not finished as subversion isn't being very helpful.

svn path=/branches/release/libs/regex/; revision=49579
Merge changes in Trunk.

svn path=/branches/release/boost/regex/; revision=50499
Merge FreeBSD patch.

svn path=/branches/release/libs/regex/; revision=50532
merge of cmake build files from trunk per beman

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

svn path=/branches/release/libs/regex/; revision=51417