Update jamfile.v2

Fix image location for PDF builds.
Use SVG for admon graphics (default path works OK for these).
Change name of pdf install target as current Boost.Build chokes over targets with hyphens in them.
Merge pull request #3 from jzmaddock/patch-2

Update jamfile.v2
Use move_if_noexcept from Boost.Move
Add metadata file.
Merge pull request #4 from danieljames/metadata

Create metadata file.
Merge branch 'master' into develop