Merge pull request #666 from adamvi/master

Updates for TCRP and Colo ISRs
Update of SGPstateData
Merge pull request #667 from dbetebenner/master

Update of SGPstateData
Update of updateSGP
Merge pull request #668 from dbetebenner/master

Update of updateSGP
Update of summarizeSGP to create "Data" directory to save Summary
Update of summarizeSGP so that it utilizes SCHOOL_NUMBER_INSTRUCTOR
Update of summarizeSGP
Update of outputSGP weighted median to deal with situation where all weights are ZERO
Update of README
Refinement of README.md
Another tweak to README
Another tweak to README
Another tweak to README
Another tweak to README
Another tweak to README
Another tweak to README
Merge pull request #669 from dbetebenner/master

Numerous tweaks to README
Changing logo
Merge pull request #670 from dbetebenner/master

Changing logo