Moving nanoscroller to be managed by bower
Merge pull request #4237 from ErisDS/nanoscroller

Moving nanoscroller to be managed by bower
Clean up hardcoded ghost paths

closes #4144
- made contributors template use the `gh-path` helper
- Removing blogRoot from application.js
- made error image use the `gh-path` helper
Merge pull request #4163 from mattiascibien/issue-4144

Clean up hardcoded ghost paths