updated PostGIS
updated scala.rst
secure env documentation
remove postgis
updated Postgis
updated php-extensions
Merge pull request #43 from OneRedOak/master

Build Samples List Updated
Merge pull request #42 from vidyar/postgis_branch

Postgis branch
Added section on Elastic Beanstalk integration
Merge pull request #44 from anowak/master

Added section on Elastic Beanstalk integration