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.
Include the quickfix title in the statusline

The quickfix title often has useful information about how it was
invoked. Include it in the statusline.
Merge branch 'fix-quickfix-title' of https://github.com/pydave/vim-airline into pydave-fix-quickfix-title
account for possible undefined variable.
use the same fugitive check as the extension.
Fix help not displaying code correctly

airline_powerline_fonts wasn't wrapped in ><, so it displayed as normal
text and threw off the syntax highlighting.
Fix tagging markup in help

Vim help's help-writing describes how to use '' around options and ||
around help links. Use these where possible to give the correct syntax
highlighting (and help vim-scriptease know the correct type to jump to
for ambiguous symbols).
Merge pull request #250 from pydave/fix-help

Minor improvements to help