Included database persist and restore capability.  This
Merge pull request #1 from johnmannpaul/master

Included database persist and restore capability.
Minor alterations so that we are able to run out of the box
Merge pull request #2 from johnmannpaul/2013-14-Data-Model

2013 14 data model
tidied up db connectivity
Merge pull request #3 from johnmannpaul/master

Need to sync db connectivity changes
Loading db nulls as empty strings and final tweaks

...assuring the model runs produced from R objects loaded from db match
the runs from the prototypical R objects, which were  used to populate
those tables in the first place.
Merge pull request #4 from johnmannpaul/2013-14-Data-Model

Merge pull request #3 from johnmannpaul/master
Merge pull request #5 from johnmannpaul/master

Syncing with master
Making sure we can create arbitrarily located data directory
Merge pull request #6 from johnmannpaul/master

Making sure we can create arbitrarily located data directory
Adding reporting SQL DDL and population scripts
Merge pull request #7 from johnmannpaul/master

Adding reporting SQL DDL and population scripts
cleanup
Merge pull request #8 from johnmannpaul/master

cleanup
adding z-score calculation for high school achievement
Merge branch '2013-14-Data-Model' of https://github.com/johnmannpaul/WAEA into 2013-14-Data-Model
Merge branch '2013-14-Data-Model' of https://github.com/johnmannpaul/WAEA into 2013-14-Data-Model