Merge pull request #1 from sethzenz/master

Initial framework setup
Merge pull request #2 from sethzenz/master

last readme fix???
Merge pull request #3 from sethzenz/master

last readme fix. really.
Merge pull request #4 from sethzenz/master

Add VertexSelector as an example algorithm
Merge pull request #5 from sethzenz/master

make select const, use unique_ptr for selector in DiPhotonProducer
Update README.md
Merge pull request #6 from sethzenz/master

updates for Jets (in progress), changed photon interface to return pointers
Merge remote branch 'upstream/master'
finish implementing pu jet stuff, currently with debug messages