upgrade Grails and dependencies
cleanup
fix compilation problem with no-Groovy2 Spock version
wip Linkedin provider
ignore plugin sha1 files
Maven local repo
ignore plugin sha1 files
wip remove Spring Social dep for Facebook
cleanup
introduce Spock
Merge branch 'master' into linkedin
merge branch master
wip remove Spring Social dep for Twitter
add docs
tests for Google provider
more docs
Google service exception handling test
add taglib
Merge branch 'master' of https://github.com/enr/grails-spring-security-oauth into remove-springsocial
Merge branch 'linkedin' of https://github.com/enr/grails-spring-security-oauth into remove-springsocial