(refs #341) Migrate model package.
(refs #341) Migrate service package.
(refs #341) Migrate slick session.
(refs #341) Sets default value.
(refs #341) Implement a method to get the session.
(refs #341) Fix compile errors.
(refs #341)Fix compilation error other than date mapping and delete statement
Fix CRLF to LF
(refs #341)Fix compilation error of delete statements
(refs #341)Fix compilation error about date conversion
(refs #341)Add TODO about Slick 2.0 migration
Merge branch 'master' into slick2

Conflicts:
	project/build.scala
	src/main/scala/app/IndexController.scala
	src/main/scala/app/RepositorySettingsController.scala
	src/main/scala/model/Account.scala
	src/main/scala/model/BasicTemplate.scala
	src/main/scala/model/Issue.scala
	src/main/scala/model/IssueComment.scala
	src/main/scala/model/package.scala
	src/main/scala/service/IssuesService.scala
	src/main/scala/service/PullRequestService.scala
	src/main/scala/service/RepositoryService.scala
	src/main/scala/service/WikiService.scala
	src/main/scala/servlet/TransactionFilter.scala
	src/main/scala/util/Notifier.scala