Repair the tests via browser and add preview to it

Tests was just passing in bower test routines, this commit repair
this problem and add a preview div of the actual tested UI.
Merge branch 'wip/workour_creation_page' of https://github.com/MateusZitelli/traintool into wip/workour_creation_page
Add new unit tests for controllers

Amplify the tests coverage for TrainNewController and DayController