fixed scrollto bug, improoved mobile view

more detailed information in commit statements.

complementing issues: #3 #21

![fedu_-_further_education-2](https://f.cloud.github.com/assets/1793379/866787/6e605a40-f6b1-11e2-9f4a-14ac29bb7750.jpg)
![fedu_-_further_education-2](https://f.cloud.github.com/assets/1793379/866788/7bc0b540-f6b1-11e2-8961-29d36c4ebad0.jpg)
![fedu_-_further_education_und_fixed_scrollto_bug__improoved_mobile_view_by_mathiastim__pull_request__29__getfedu_fedu-app_und_posts js__fedu-app](https://f.cloud.github.com/assets/1793379/866789/87439b76-f6b1-11e2-8644-24a52f51fbde.jpg)