Added some notes about Apache to the INSTALL docs.
Added some notes about Apache to the INSTALL docs.

concord-consortium/testswarm,newzly/testswarm,concord-consortium/testswarm,rwaldron/testswarm,newzly/testswarm,kcomkar/testswarm,newzly/testswarm,kcomkar/testswarm,newzly/testswarm,rwaldron/testswarm