Fix bux 923: Wysiwyg smart enter handling
Merge pull request #18 from taigaio/wysiwyg-smart-enter-handling

Fix bux 923: Wysiwyg smart enter handling
auto increment markdown list number
Fix user photo url on nav bar.
Refactor tg-check-permission directive to more compact
Add powerful related tasks management on user story detail
Merge branch 'powerful-tasks-on-us'
Improve history controller for more convenient way to load resources.
Remove console.log.
Remove unused local variables on main common module file.
Simplify the tg-check-permission directive.
Rewrite attachments directives and make them work as isolated components.

Also, it fixes #914 issue.
Merge pull request #15 from taigaio/attachments-component

Attachments as components
improve wisisyg lists
Wizard lightbox refactor and step1
Wizard Step2
Wizard step 3
Wizard transitions