Adding Internationalization (i18n) mechanism and language switch logic
Updating tour script
Update to Spanish i18n file
Update to Spanish i18n file #2
Updating headers
Updating navbar, added navbar toogle.
Images in navbar now are being hidden in smaller resolutions.
Closes #1
Update Languages_es.properties
Updating i18n, adding keys for ConceptDetails
Updating i18n, adding more keys
Style changes for the Tour button
Merge pull request #5 from termMed/master

New features i18n, Tour and Navbar fix