Ignore more build files (git)

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@22028 ef53c05b-3124-4d59-ae7d-fe3273f42be7
[NEWTAG-327] [NEWTAG-391] Add SOURCELINK tag

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@22029 ef53c05b-3124-4d59-ae7d-fe3273f42be7
[NEWTAG-327] [NEWTAG-391] Add SOURCELINK as an OS token

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@22030 ef53c05b-3124-4d59-ae7d-fe3273f42be7
[OS-270] Create link to spell's SOURCEWEB if set

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@22031 ef53c05b-3124-4d59-ae7d-fe3273f42be7