New aliases, vi mode, PATH changes

Signed-off-by: Thameera Senanayaka <thameera123@gmail.com>
push, core and color configs

Signed-off-by: thameera <thameera@thameera.com>
Added vundle, modified tab stops

Signed-off-by: Thameera Senanayaka <thameera123@gmail.com>
Added install.sh script

Signed-off-by: Thameera Senanayaka <thameera123@gmail.com>
Added xmobarrc, xmonad.hs, xsessionrc

Signed-off-by: Thameera Senanayaka <thameera123@gmail.com>
Added tmux.conf

Signed-off-by: Thameera Senanayaka <thameera123@gmail.com>
Added zshrc

Signed-off-by: Thameera Senanayaka <thameera123@gmail.com>