plugin : updated airline

Signed-off-by: BlackEagle <ike.devolder@gmail.com>
plugin : updated supertab

Signed-off-by: BlackEagle <ike.devolder@gmail.com>
plugin : updated syntastic

Signed-off-by: BlackEagle <ike.devolder@gmail.com>
plugin : updated vim-snippets

Signed-off-by: BlackEagle <ike.devolder@gmail.com>