Internationalizing Tendoo

- Tendoo English Lang will be saved on .po file at
"tendoo-core/languages/en_US.po"

- Updating Roles features (tendoo_roles is not deprecated)
- Changing "HUMAN_NAME" key to "NAME" since "NAMESPACE" is not displayed
to users
- Fixing Errors hover-exit left menu after being focused (clic over menu
item)
- New Class Role (has Roles methods)
- New Items for GUI-V1
- Roles permissions uses GUI-V1 (we did it)
- ...