controller for users
remove activkey column
change labels of users
added behavior
extends class Users to ImperiumHRActiveRecord
create ImperiumHRActiveRecord class
remove create and update user id
Remove Create and Update Time
remove create time and last visit time
Add unique restriction
fix users error
added confirm password
display confirm password textbox
Merge branch 'master' of https://github.com/xsyd/ImperiumHRM