scintilla headless: make it depend upon the regular scintilla build

(integrated from komodo (trunk) change 82707 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13866 b87d16e7-d29f-4ee1-b5ec-817d645d335f
scimoz headless: split linux and mac specific tweaks

(integrated from komodo (trunk) change 82708 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13867 b87d16e7-d29f-4ee1-b5ec-817d645d335f