Fix First Steps link in Debian/postinst
Removed cookbook from documentation
fixed issue 1134: Change the default endpoint to localhost

Conflicts:
	CHANGELOG
fixed paragraph issue
added optimizer statistics
Fixed #1150. Added Queries to the Summary
Merge branch '2.3' of https://github.com/triAGENS/ArangoDB into 2.3
optimize away `INTO` of `COLLECT` if unused
issue #1131: added KEEP for `COLLECT...INTO`
fixed memleak in shaper
prevent double-free of variable bounds
jslint
turned assertions into ifs
removed debug output
applied SimpleHttp patches by @fceller and @neunhoef from devel
added derived files
added documentation for KEEP

Conflicts:
	CHANGELOG
Add Jan's patch for the indexRangeNode recognition.

We change all EnumerateCollectionNodes to IndexRangeNodes if possible
and do not keep the old plans.
less plans created by optimizer
fixed cursor ttl issue