Merge pull request #121 from joanrm20/master

Remove Capitalize "L"
Merge pull request #122 from joanrm20/master

Maua client improvements.
Replace old menu html by a ng-repeat, this give us more readability and flexibility over the menu options.
*Improve highlight menu logic by adding a function to retrieve if the tab have to be selected or not.
Add new service with menu options.(Later the API could create a method to retrieve the menu options, so it would be nicer.)
Remove some unnecessary properties from menu directive and not necessary html from the template.
Redirect just 'GRE' users directly to practice if they doesn't have questions answered.

This was accomplish by a directive, but it was presenting much problems of timing between the main html rendering  and directive rendering.
Remove not required routing and blocked page, instead of redirect user directly to payment page.
Remove not required button from expired membership modal.
Remove depreciated Observer instance.
Refactor highlight logic.
Remove depreciated 'is nav highlight' directive and references related.
Remove old block page.
*Add console.logs over Random track service.

*This logs are going to be removed after our testing.
Update redirect type, in order to test if the actual redirection it's causing the error.
*Remove console.logs.

*they were helping us to trace if the requests were being executed fine.
Improve angular redirection, when 'GRE' users has no questions answered.