Emacs: Disable global-rainbow-delimiters function

'global-rainbow-delimiters' function is now obsolete and it is advised
to use rainbow-delimiter-mode in major-mode hooks.

This patch enables rainbow-delimiter-mode in C major mode.

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tested-by: Ratheesh S <ratheesh@mistralsolutions.com>
Screen: Assign shortcuts for window navigation

Assign following shortcut for screen window navigation
F11 ==> Previous window
F12 ==> Next window

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tested-by: Ratheesh S <ratheesh@mistralsolutions.com>
Emacs:yas:customize c-mode snippets

Change the behavior snippets according to Linux coding conventions. This
includes if, do, switch and struct snippets.

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tested-by: Ratheesh S <ratheesh@mistralsolutions.com>
Emacs: Add fasd, tomorrow theme packages

- Add and configure fasd package
- Add tomorrow color theme to list of required packages.
- Change the default font to Ubuntu Mono

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tested-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tmux: Configure powerline config

Configure tmux powerline config and set this as default. Colors are
loosely based on base16 theme.

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Tested-by: Ratheesh S <ratheesh@mistralsolutions.com>
Emacs: Disable cursor blinking

Signed-off-by: Ratheesh S <ratheesh@mistralsolutions.com>
Emacs: Add Kconfig mode for Kconfig files

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