removes incomplete commentary implementation
adds vim-airline
removes powerline from vimrc
Revert "removes powerline from vimrc"

This reverts commit 5e3f3337fdf4b9ae06a7f74858f83f8b38c33de2.
Revert "adds vim-airline"

This reverts commit 6d4a471bf772ebb75a5564a09d7f26390f3fc51c.
Revert "removes incomplete commentary implementation"

This reverts commit 2de913faefe21c0ba383d6da8bb5862719d7ac25.
Revert "removes powerline"

This reverts commit d05f41002f76e90fbd7bc371d78f27096f14fec6.
Revert "Revert "removes incomplete commentary implementation""

This reverts commit 0a3912a77833a6424b0c7c3f7703979de24bf054.
hopefully removes wrongly installed vim-commentary