Merge branch 'feature-report' into 'develop'

Feature report

See also issue #102

Things to do:
- [x] implement template library
- [ ] General features
 - [x] Versions template
 - [x] Intro text sections
 - [x] Intro text pages
 - [x] Fix menu
 - [x] fix sidebar, should highlight current section
 - [x] Fix sortable tables, @wyleung
 - [x] Auto scala width on number of samples
- [ ] Report for Flexiprep
 - [x] Files template
- [ ] Report for bammetrics, #127 required
 - [x] Fix insertsize
- [ ] Report for Mapping
 - [x] Files template
- [ ] Report for Shiva
 - [x] Files template
 - [x] Show tables on click
- [ ] Report for Carp
- [ ] Setup a generic layout

See merge request !149