bump to snapshot so can be used with snapshot; update DriverRegistry/Manager references, and add a shortname
some machines need 127.0.0.1 called out for httpd server-status
install W3 Total Cache optimization
tuning, and enabling more optimization
aggressively set permissions to how wordpress wants them (or try to!)
convert to new AppBuilder syntax
align with 0.5.0-rc.1
comment about better way of doing things
Merge pull request #9 from ahgittin/misc

W3 Total Cache, and brooklyn SNAPSHOT compatibility