If site setting 'signup.require.confirm = true' is used,
show restricted condition message and site admin email for contact

And also, admin email is obfuscated

Twirl warned "Tag '@Author' is not recognised".

* Upgrade sbt from 0.13.0 to 0.13.5.
* Upgrade jsmessages from 1.6.1 to 1.6.2.
* Downgrade play-2-mail from 1.0.0 to 0.9.1.
* Split project/Build.scala into build.sbt and
  project/BuildConfig.scala.
* Introduce sbt-less.
* Introduce sbt-twirl, the new template engine for PlayFramework, and
  fix compile errors caused by it.
    * Import scala.collection.JavaConversions._ for conversion between
      Java and Scala collections.
    * Import java.lang_ and java.util._ to use java types.
    * Use implicitJavaLang imported from play.core.j.PlayMagicForJava._
      instead of lang.
    * Use requestHeader imported from play.core.j.PlayMagicForJava._
      instead of request.
    * Specify play.data.Form in full qualified name to avoid conflict
      with play.api.data.Form.
    * Fix the other template errors.
* Etc
    * Use Result instead of deprecated SimpleResult.
    * Use java.nio.file.NotDirectoryException instead of
      scalax.file.NotDirectoryException.
    * Update README to say use "acvitator" command instead of "play".
    * Add methods to PlayServlet to support Servlet 3.1

IMPORTANT NOTE: You should modify the version of h2database on which
Play depends from 1.3.175 to 1.3.176 in
~/.ivy2/cache/com.typesafe.play/play-jdbc_2.10/ivy-2.3.6.xml as follows:

        

to avoid org.h2.jdbc.JdbcSQLException because of the bug that h2database
1.3.175 cannot create or alter sequence.

Cause:
So many files does not have copyright.

Solution:
The copyright is added to files that do not include it.

- use Messages() for title, tag-line in login, signup, reset/lostPassword
- change style resetPassword, lostPassword form similar with login, signup

You can set your site's name by editing application.siteName in
conf/application.conf. The name is used in the title bar of your web
browser, the main page, the welcome page, the login page and many
others.

- beautify app.secret/app.restart page

delete milestone manage page that combined with milestone list page

Change pattern for valid login id from /^[a-zA-Z0-9_]*$/ to
/^[a-zA-Z0-9-]+([_.][a-zA-Z0-9-]*)*$/.

This allows these characters:
* hypen
* underscore and dot, but not for the first or the last character.

And this also removed some lines of code using play-jsmessages, the i18n
module for client side.

uploader.js replaced with fileUploader.js.

board write, board list, issue list, login/signup, project setting,
member list and more...

- change some placeholder messages to i18n
- fix misspelled word including 'destory' -> 'destroy'
- add scripts which make always id lowercase and prevent not to contain any spaces