fixes #124 - Support run interval other than default 30 minutes

fixes - #146 Adds a host environment and fact based filtering to Summarized emails

shorter time output in dashboard view

fixes #135 - highlight in red errors in summary email

fixes #130 - divide by zero in dasbboard

fixes #80, fixes #106 and fixes #128

fixes #71 - send out daily email summary of puppet changes

switches global setting var to be a constant var - refs #100

fixed formatting

fixes - #120 - Include timestamp of dashboard page generation