Generate 3.6 documentation from this branch
Update of JSON files from masterfiles in 3.6 branch.
Merge remote-tracking branch 'upstream/master' into 3.6
Hashes on right hand side of library elements to avoid double-linkage.

(cherry picked from commit fb4bbb0e0d1381755a61634e5f781a355fe3a9b3)
Support level 4 in the left navigation

(cherry picked from commit 8518be8c2061f257b7224d571fff3fe0bfe8fe9a)
Experimental - remove base_url

(cherry picked from commit 58b32957df8239330e2cfa4ad18522f272930e52)

Conflicts:
	_config.yml
Use a regular expression to try to detect unresolved links.

The naive grep'ing for ][ produces too many false positives from
code blocks using arrays.

(cherry picked from commit 9afaf43ff0972dad18caae3717963ba738c366e0)
Autocommit: libraries changed 2014-06-17-12:09:47