Fix #231
Fix number version of bootstrap, MELANY_VERSION variable, melany-navigation, melany-skip-link-focus-fix and melany-tooltips.
Remove "js/navigation.js" and its call.
Fix the right version of melany-tooltips
Fix the name of ie10fix style enqueue.
Merge pull request #233 from MirkoPizii/dev

Fix #231, fix Bootstrap files versions, update MELANY_VERSION constant, remove navigation.js