add new theme named 'serene'
tiny fix
Merge pull request #234 from ompugao/theme-serene

add the old type of 'simple' theme and change the name of it to 'serene'
check the git/hg root when changing buffers. resolves #237.
support for conditional parts. resolves #238.
make the separator optional for older vim versions. resolves #239.
check guard for all extensions. resolves #241.
hide errors (#241).
Merge branch 'master' into dev
solarized.vim: tty colors (fix #242)
exclude quickfix from tabline. resolves #244.
Merge pull request #243 from seletskiy/solarized-tty

solarized.vim: tty colors (fix #242)
Disable white space detection for unmodifiable buffers
Merge pull request #245 from farseer90718/master

Disable white space detection for unmodifiable buffers
set the buffer max a bit more aggressive, add dot prefix/suffix.
fix guard condition for csv. resolves #247.
i can't do boolean logic (#247).
fix spacing when both trailing/indent occurs.