adding rotating logging
Merge pull request #156 from creighton/rotatelog

adding rotating logging
removed redis and all system actions
Merge branch 'master' of https://github.com/adlnet/ADL_LRS into removelog
Merge pull request #157 from ljwolford/removelog

Removelog
updated error messages
added test case from amsterdam email
Merge pull request #158 from ljwolford/removelog

Removelog