Add new checker for bro: bro.

This requires the new --parse-only cli option that will be in an
upcoming bro release.
Attempt at making multiple buffers work properly.

Propagate b:syntastic_loclist to all buffers mentioned in loclists.

Try to prevent inadvertent closing of the loclist window if all errors
are in included files, by saving the main buffer owner as a variable
local to the quicklist buffer.
New checker for less and css: recess (@pixelastic).
clisp: fix argument order.
More clisp fixes.

Give up trying to persuade clisp not leave behind junk files.
Fix errorformat.
Update the contributing guide.  Make `:SyntasticInfo` print version.
Contributing guide: add TOC; formatting.
Merge branch 'multi'
Some versions of phcs produce an extra column: fix errorformat.
Fix broken tag in docs.

When originally introduced that tag pointed to section 4.
Merge pull request #1074 from lucc/doc

Fix broken tag in docs.
Merge remote-tracking branch 'JustinAzoff/bro'
Cleanup for bro.
Output of pep257 has changed.

Fix errorformat.
Make compressWhitespace() postprocess function remove leading and
trailing spaces.
Typo in the manual.
eslint: honour the exec parameter.
Add separate highlighting groups for style messages (@kovidgoyal).