remove FreeBSD7 and WindowsXP from list of platforms that master branch builds on in NMI
FreeBSD7 will most likely be replaced with FreeBSD9,  WinXP with Windows8/XP
===VersionHistory:None===
Edit documentation, correct spelling, and relocate if needed for
alphabetization
===GT=== #3333
Merge branch 'master' of /p/condor/repository/CONDOR_SRC
minor changes to 7.9.4 version history item and fix typo found in defn
of COLLECTOR_NAME
===GT=== #3467
Condor -> HTCondor and ad -> ClassAd for 7.9.4 version history item
===GT=== #3468