Code Cleaning: Removed dependency of existing postgis selection
Code Cleaning: Set the PostGIS field to already selected value. No need of it as dropdown
Added EWKT support in geometry input field.
Added the use of postgis_Wkt class for wkt data parsing.
Code Cleaning: Removed dependency of nid_postgis_field.
Overwrote the admin_summary function and code cleaning.
Wiki update: Week 12, 13 reports.
Merge branch 'master' of https://github.com/panwarnaveen9/View-Module-for-Cartaro-GSOC2014