Initial POC with Geb and Spock for #953
For #953 - Silly Java programmer and his setter methods
Merge branch 'BroadleafCommerce-3.1.x' into gebspock

Conflicts:
	pom.xml
#953 - Fix automatic download of the Chrome driver, export the admin test jars
#953 - Write a legitimate admin functional test that verifies successful login
A few items relating to #953
- Some admin Geb page object concepts and specs that can be extended
- Upgrade Selenium and Geb to the latest (2.42.2 and 0.9.3)
Merge branch 'gebspock' into BroadleafCommerce-3.1.x