Add greater flexibility on install and move more option handling
into the options.cmake file for ease of access.

git-svn-id: https://svn.crosswire.org/svn/sword/trunk@2824 bcd7d363-81e1-0310-97ec-a550e20fc99c
Updated utilities install directories and added BINDIR to the install.

git-svn-id: https://svn.crosswire.org/svn/sword/trunk@2825 bcd7d363-81e1-0310-97ec-a550e20fc99c