Upgrading installation instructions.
Updating INSTALL instructions
Merge branch 'css'
Providing custom mytemplates/ and mymedia/ locations.
Working on adding search flags.
Working on search customization.
Allowing project admins to customize search flags for replicas, versions, sites.
Cleaning up flags.
Merge branch 'css'
Merge branch 'master' into devel

Conflicts:
	cog/templates/cog/search/_search_text.html
Merge branch 'css'
Merge branch 'master' into devel
Updating instructions.
Merge branch 'master' into devel
Removing current site from list of peer sites.
Changing syntax of fixed search constraints and supporting multiple coma-separated values.
Merge branch 'css'
Merge branch 'master' into devel