TSUGITXT-38 - add info tab on mobile, adjust print view, add RubyMine te...

...mp files to .gitignore

See https://jira.it.umich.edu/browse/TSUGITXT-38

In the mobile viewport the course and instructor information is hidden to save hspace. Activate the info tab in these conditions so that user can access this information. Also titlecase book titles since casing in MPathways seems random