Feature/mobile ui

this branch is not yet ready to be merged.

there is one nasty hack that removes the tab-bar from the suggestion view and replaces it with buttons. the reasons is nested tabs seem are a ui-overload and take up too much space

this PR is intended to give a preview of the mobile ui:
![foto 01 01 15 22 14 46](https://cloud.githubusercontent.com/assets/275897/5593297/d65aebd0-9203-11e4-9c0f-d2c2a205fa74.png)
![foto 01 01 15 22 14 50](https://cloud.githubusercontent.com/assets/275897/5593298/d6773a9c-9203-11e4-8990-12fdee88b93c.png)
![foto 01 01 15 22 14 52](https://cloud.githubusercontent.com/assets/275897/5593299/d683813a-9203-11e4-9bb6-d0a8a163ac64.png)
![foto 01 01 15 22 14 55](https://cloud.githubusercontent.com/assets/275897/5593301/d6d6dfc4-9203-11e4-8349-501c985d7dce.png)
![foto 01 01 15 22 14 58](https://cloud.githubusercontent.com/assets/275897/5593300/d6d6d682-9203-11e4-94ab-190b227fc93c.png)
![foto 01 01 15 22 15 00](https://cloud.githubusercontent.com/assets/275897/5593302/d6e1e11c-9203-11e4-8147-35ef18041a1e.png)