Log refactoring

Commit for removal of bars to display time tracking in index.html when showing packages and removal of [start] and [stop] buttons for manual tracking in show.html when showing specific packages.

The manual log work time field is left intact though.
![manual_track_2](https://f.cloud.github.com/assets/630746/746046/c6cfb344-e421-11e2-8795-df2b7713c767.png)