Finish Release-2.0
bunch of test
no idea config on repository
remove idea config
add intellij idea .ignoregit
project structure refactor
#1 add velocity feature
#2 add references comments for studying
#3 remove useless fiels
1. add test modules
2. move trial code to test module
get velocity email template
test VelocityEgine and Velocity
add static files and static file handler
add static files
Merge pull request #1 from nealshan/develop

Develop