Add emptyvss to installed files

git-svn-id: https://svn.crosswire.org/svn/sword/trunk@3274 bcd7d363-81e1-0310-97ec-a550e20fc99c
OSIS highlight output fixes

git-svn-id: https://svn.crosswire.org/svn/sword/trunk@3289 bcd7d363-81e1-0310-97ec-a550e20fc99c