fix login form for Secure
Merge pull request #18 from rdolgushin/patch-1

Fix login form for Secure
fix bug: https://github.com/greenlaw110/play-rythm/issues/19
support null-safe expression
doc update
generate tag name for VirtualFileTemplateResource on init
update version
fix bug: #20 Cannot compile template when reference to application class in WAR deployment
update version number
update history
#12 support template class properties enhancement
update documents
update version
1.0-RC5, support customized java extension
update rythm core to 1.0.0-20120604
fix issue: #29, #25, #24, #28
update version
fix issue: #16
update deps and history
fix #30