Merge pull request #66 from karlito139/develop

Develop
Cleared a bit the code.
Added some protections into the code that prevent errors when we don't get what we expect from the inputs.
Updated the constitution of the Rexfile.
the Rexfile loks a little bit better.
Cleaned some code and added the hover attribut to the services list in the sidebar.
Remade the delete button from the arrays work. Close #72.
Corected some bug concerning the add new in the submodules. Close #67. Plus made less anoying the updates of screens when submiting changes.
Now the add new line is deselected when we add a new user. Close #56.
Corrected the graphical bug when we got a user having the same name as a service. Close #49.
We now have the numbers that are correctly displayed. Close #73.
Corrected the bug concerning the bool when creating a new submodule instance. Close #75.
Corrected a second bug concerning the bool management.
Finaly made the form of the instances square. Close #77.
Removed some of the TODO in the code.
Cleaned some code.
The mainModules that doesn't have any parameters doesnt display anything now. Close #79.
We now don't display the strange arguments.
Added the logo in the top left corner of the page.
Made some changes in the style of the page.