Add suan/vim-instant-markdown, new zsh aliases

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

Configuration file for mpd

Signed-off-by: Thameera Senanayaka <thameera123@gmail.com>
Start dropbox daemon at startup

Signed-off-by: Thameera Senanayaka <thameera123@gmail.com>
NERDTree mappings, dot alias in zshrc

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