Make RequestContextBuffer methods chainable.
Change _equality detection.

ATTENTION: This is still not right, yet.
Pondering about solution...
attempt to fix host test
changed Makefile for tests
changed interface for locking

Conflicts:
	arangod/VocBase/transaction.cpp
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into aql2
test fix
Merge branch 'devel' of https://github.com/triAGENS/ArangoDB into aql2
Add the output of the aql execution bits in the results table so we can easily see which parts take how long.
Add output formatter to intergrate with https://wiki.jenkins-ci.org/display/JENKINS/PerfPublisher+Plugin
try another place to add our performance results in the xml.
less memory usage for ShapedJson documents
Merge branch 'aql2' of https://github.com/triAGENS/ArangoDB into aql2
Add more information to the unittest status xml
Merge branch 'aql2' of github.com:triAGENS/ArangoDB into aql2
fixed property query
Fixed error in Documentation and changed visualization of deprecated chapters
split unittest results into several xml files - each testsuite is one file.
wrap error message in cdata section.
fixed line number in stack traces to show the correct line