Bugfixes

<h3>Summary</h3>
- tweaked eob solutions spacing
- feature para indentation restored 
- no breaks eoc section title 
- hide empty sections from eoc - correct solution for the 'wonky' eoc formatting 
- hide interactive feature title

<h4>Testing</h4>
- http://naginata.cnx.rice.edu:9090/content/col10001/latest/