Merge pull request #151 from lbl-srg/districtsLoad

Merge districts load branch to master.
Merge pull request #152 from lbl-srg/districtsLoad

Further worked on regression load.
Cleaned up html code in Airflow package.
Fixed bug in validateHTML.py
Cleaned up html code in Controls package.
Corrected import statement.
Properly closed <br/> tag to avoid warnings in tidy.
Merge pull request #155 from lbl-srg/master

Corrected malformed html