Added SEO capabilities
Switched to velocity
Merge remote-tracking branch 'origin/mmc_velocity' into mmc_seo

Conflicts:
	site/src/main/java/com/google/gwt/site/markdown/MDTranslater.java
	site/src/main/site/assets/build/css/style.min.css
Allowing to set SEO meta values in config files
Cleaned config files
Cleanup
Added license header. Removed dead code
Renamed to image
Merge pull request #34 from ArcBees/mmc_seo

Added SEO capabilities
Merge pull request #33 from ArcBees/mmc_velocity

Switched to velocity