Squashed 'bundle/vim-misc/' content from commit 15fd181

git-subtree-dir: bundle/vim-misc
git-subtree-split: 15fd181de7ce8a07aa779d1b329cbf4d6e36366c
Merge commit 'c0ce822752a36a3c5b71ca49f097e5088c86c2d3' as 'bundle/vim-misc'
Squashed 'bundle/vim-easytags/' content from commit 10427de

git-subtree-dir: bundle/vim-easytags
git-subtree-split: 10427de54060e4a8e52ceee8c1319fe882c56dc1
Merge commit '88e1eea60b39147c6acf057df0b1296e8e284af0' as 'bundle/vim-easytags'
Update vimrc file with new configurations.

Signed-off-by: Wei Zhang <wezhang@outlook.com>