Merge pull request #8 from dizzzz/master

Update of glyph icons ; one line of images was missing
Externalize parameter lookups to allow use of templating outside eXist's default app setup (merge of code prepared by Adam).
Update ace version.
Up version to 0.3.7
Properly check permissions before scanning a collection.
Added missing permissions check in dbutil:scan-resources to avoid error.
templates:surround: display a proper error message or ignore it if a template could not be found.
Update ace
Increment version to 0.3.8.
upgrade from jquery.dynatree-1.1.1.min.js to jquery.dynatree-1.2.5.min.js (used in Tamboti), keeping 1.1.1 for safety
Merge pull request #9 from jensopetersen/master

upgrade to jquery.dynatree-1.2.5.min.js
Update ace
Add bootstrap 3.0.3; update eXist default stylesheets to support bootstrap 3