Merge pull request #165 from ljwolford/profiling

removed dict comprehensions for python2.6 support
made statement id and consumer key fields uuidfields
Merge pull request #166 from ljwolford/uuidfield

made statement id and consumer key fields uuidfields
removed old imports from removed classes
Merge pull request #167 from ljwolford/removeimports

removed old imports from removed classes
removed using private _meta field
removed all generics from models
changed stmt ref to get or create
Merge pull request #168 from ljwolford/removeimports

Remove Generics
fixing string format error
Merge pull request #169 from creighton/master

fixed string error
denormalized score/result tables
logging exceptions
padding change
Merge pull request #170 from creighton/logminimal

Logminimal
finished denormalizing agent/account
denormalized act_def/crp
Merge branch 'master' of https://github.com/adlnet/ADL_LRS into denormal
denormalized activity/act_def
renamed vars