More prototyping, basic server-side structure working
Merge branch 'master' of github.com:tide-framework/marina
Adds bower.json
Adds the index.html file for the tide app
login widget working:
- extracts bootstrap form in its set of classes
- reuses it in MRLoginWidget
- fixes MRLoginDispatcher
bower_components in .gitignore
Structure improvements and widgets

- MRStructure and subclasses improvements
- register the login presenter at /marina
- MRAdminPresenter implementation
- Amber widgets implementation
css improvements
- login/logout working
- frames structures
UI improvements
Moves #logout to MRAdminPresenter
Fixes adding structures
Keep the adminPresenter as an instance variable
Fixes MRStructure>>removeFrom:
Don't answer a copy of structures and users collections because of presenters
Modal dialogs using bootstrap
Add a baseline and configuration for Marina
MRContext
css improvements
Merge branch 'master' of github.com:tide-framework/marina