Tmux: make window status format less flashy

Currently "(current) window format" is more flashy.

- change colors to be less flashing and less straining to eyes!!!
- Disable lockout time and application to be run by default. This can be
enabled as and when required.

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tested-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tmux: Add new keybindings and customizations

* Add C-a T to swap curent windows with window 1
* Change the colors of active pane
* Change the colors of tmux messages
* Set history limit to 10K
* Set escape time for Vim to 1ms

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tested-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tmux: set tmux window status seperator to '|'

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tested-by: Ratheesh S <ratheesh@mistralsolutions.com>