Update Jamfile.v2

There can be only one project named boost/doc and we have that already under /doc/
Change to something unique.
Fixes PDF doc build.
Update fo.xsl

Remove stray text on end of line.
Fixes PDF doc build.
Aside: this whole Q&A set block could probably be removed now given that it appears to be a workaround for the ancient FOP-0.2.
Merge pull request #3 from jzmaddock/patch-2

Update Jamfile.v2
Merge pull request #5 from jzmaddock/patch-4

Update fo.xsl
Merge branch 'develop'