Support Map-Reduce
README udpate
simplify changeset
Merge pull request #1 from scottsexton/add-map-reduce

Add map reduce
fix for python3
Add tests for map-reduce using query and limit
Merge pull request #2 from scottsexton/add-map-reduce

Add map reduce
Update tests for python 3
Increment version due to new requirements to support map-reduce
Fix install order to work with travis CI build plan
pymongo requirement is in setup.py now
Merge pull request #30 from craigahobbs/master

A few mongomock additions
Acknowledgement
Merge branch 'master' of https://github.com/vmalloc/mongomock

Conflicts:
	mongomock/__init__.py
	tests/test__mongomock.py
Update the test instructions
Merge pull request #31 from scottsexton/master

Adds Map Reduce (Many thanks to Scott Sexton)
Added build status image
Acknowledgement
Slightly more graceful failure in case of missing execjs
Restore Database mock connection attribute