Fix a couple of minor typos in readme
Tags file reading is now off by default

As the updated docs now say, this is off by default because it makes Vim slow if
your tags are on a network location.
Merge pull request #348 from lahwran/master

Fix minor inclusion typo in readme
Not using libc++ on FreeBSD.

Fixes #349.
Updating vimdoc
Link to build bots from CONTRIBUTING.md
Fixing possible issue with `remove()` on StringVec

There is not remove() on StringVec so we need to make sure we are always
handling a list.

Fixes #347.
More updates to CONTRIBUTING.md
code style fixes
Revert "Not using libc++ on FreeBSD."

This reverts commit b451674f88e4e83c904379f64b1bb3438413c1e4.
Updating vimdoc using new conversion script
Merge github.com:Valloric/YouCompleteMe