Update package.json info
Set selector option so that tour step titles aren't overwritten by their element title
added template option accepting a function instead of string. added sublime text project file to gitignore, updated doc, updated readme
added sublime text workspace file to gitignore
Closes #101
Introduce template for navigation
Don't attempt to destroy popover that doesn't exist
reintegrated develop in master + updated docs
Simplify nav template
Merge branch 'master' into nav-template

Conflicts:
	build/js/bootstrap-tour.js
	build/js/bootstrap-tour.min.js
	docs/assets/js/bootstrap-tour.js
	docs/assets/js/bootstrap-tour.min.js
	src/coffee/bootstrap-tour.coffee
Adjust merge
Set 'data-step' attribute in navigation
modified template option in order to accept a string or function, updated docs accordingly
Merge branch 'master' into nav-template

Conflicts:
	build/js/bootstrap-tour.js
	build/js/bootstrap-tour.min.js
	docs/assets/js/bootstrap-tour.js
	docs/assets/js/bootstrap-tour.min.js
	src/coffee/bootstrap-tour.coffee
Adjust style for navigation elements
Some improvements to tour template
Merge pull request #102 from sorich87/nav-template

Introduce template for navigation
updated docs with better explanation of the new template option
officially updated version
Add travis-ci configuration