gollum wiki base files
add git_wiki to test-weather node
changes for installing libapache2-mod-passenger
pull in gollum depencencies and install
add: puppet-rvm module
add: new apache site for gollum
install gollum from github repository
repair apache configuration
fix: passenger configuration
rvm module update
get puppet-rvm submodule to point to our fork
corrected default gollum wiki path
fix: directory permissions for gitolite repos
Add fallback security updates repository

Signed-off-by: Daniel Thomas <drt24@cam.ac.uk>
Add oc243 as an admin of all servers

Signed-off-by: Daniel Thomas <drt24@cam.ac.uk>
fix: gollum config.ru file permissions
git_wiki now installs gollum branch dtg-multiwiki
add git_wiki to test-weather node
fix: gollum install command
update: wiki website configuration to https