Update ace to latest version.
Ignore downloaded emmet.js
Absolute paths used in exist-2.2.css. Should be relative.
exist-db stylesheet: smaller header for mobile devices.
Optimize apputil:resolve-abbrev, which is called many times when rendering a page from the default exist-db apps.
Fix navbar display issues on screen sizes between 768 and 998px
Added powered-by logo to styles.
fixed prepare-ace in build.xml; fixed header overlapping and breaking menu on mid-size screens; hiding 'home' menu entry on smaller screens
Fix templates:each to not output empty element. Strip data-template attributes from HTML output unless configuration option "debug" is set to true.
align  limit of template:resolve to the max arity number in templates:call-with-args
Merge pull request #13 from christophe-g/fixup

align  limit of template:resolve