use S in place of session_name to be compatible with older tmux
redhat changes
Merge remote-tracking branch 'cmd-realtime-dev/redhat'
Add rvm setup for linux boxes
* Citi VM customisations

* Add /usr/bin to the path after /usr/local
* bashrc.local for citi vm setup
	- set up mongo path
	- add proxy settings
Merge remote-tracking branch 'citi/master'
* Changes for work VMs
Change some tabs to spaces
Use colon in place of | and support regexps in host/uname patterns

* replace pipes in config file with colons
* tidy up the help text
* Improve error messages
* get the hostname compatible with msys bash
Use grep in place of bash regexp for msys compatibility

* A blank host/os pattern will match all  (not *)
* Use grep instead of inline regexp  (msys bash does not support them)
readme added, todos updated