Squashed '.vim/bundle/SkyBison/' changes from 4a69559..ce6c9cd

ce6c9cd Change "s:winheight" to "s:initwinheight" to maintain convention
93dcf5c Merge pull request #13 from romainl/patch-1
6a53aba Added 'winheight' saving/restoring.

git-subtree-dir: .vim/bundle/SkyBison
git-subtree-split: ce6c9cd039cfec03ba2f63d74094a67ea622cb06
Merge latest SkyBison, 'a9da888dd5c7fa33e4ad6cefbf4556e2a3de14b8'
Squashed '.vim/bundle/signify/' changes from c435dc2..8893445

8893445 Merge pull request 85 from epage
9b7ad65 Remove double-dash from perforce call
bf01a95 Stylistic change
22515a3 Stylistic change
1499f54 Improve repo detection
56eab98 Doc: add note about diff tool to vcs_list option
8fd2d3c Do not use certain VCS if no difftool is available
ec4d88e Change default value for sign overwriting
9b32ba5 Doc: better description of sign overwriting
c2cce93 Change warning message for sign overwriting
531d3ab Remove misplaced modeline
fd9e786 README: make author info even shorter
a6ed3a9 README: remove useless line
bc0b620 README: startify -> signify
5c748c5 README: refactoring
ce6d03d Doc: add some highlights
acfc0cb Doc: refactoring

git-subtree-dir: .vim/bundle/signify
git-subtree-split: 8893445c7034147af39ba47eb194266cc2777a6c
Merge latest signify, '13bba6d646bdc8e06b812bc883ff7f246ea45dd6'