[vim] updated setup.sh to create symlink for patched font
[vim] rewrote vimrc based on a tutorial by Steve Losh
[screen] added F4-7 shortcuts for window splitting

* F4 - horizontal split
* F5 - vertical split
* F6 - remove current window/split (keeps shell intact)
* F7 - remove all windows/splits (keep shells intact)
[vim] added F4-6 shortcuts for window splitting

* F4 - horizontal split
* F5 - vertical split
* F6 - remove current window/split (keeps buffer intact)
[setup] changed the code to symlink based on dotfile directory location
[xinitrc] added configuration file and setup procedure
[bash] adding bash_profile to the list