[BUG #5426] schema diet (side-effect: schema is now bare/processing agnostic)
fix tiny issues in schema of Manifest.json
[BUG #5426] schema validaton reorganization: created two dedicated jobs 'validate-manifest' and 'validate-config'
[BUG #5426] add 'validate-*' jobs in config.json files
[BUG #5426] add 'validate-*' jobs in config.json files of skeletons
fix minor json issues revealed by jshint
Updated log perf result script.
[BUG #7273] replaced getContainerLocation with getContentLocation
[BUG #6645] add more about resource handling and maintenance to the tech manual
Code Formatting
[BUG #7273] replaced getContainerElement with getContentElement
Minor fix in qx.Mobile Menu: ScrollComposite was too large if menu items count was below 3.
fix minor issue
[BUG #5426] add docs and adapt test plan
[BUG #7273] fixed placeholder implementation
[BUG #7273] fixed Iframe blocker implementation
minor grammar
add 'source-server' and 'source-httpd-server' job definitions for 'website' skel
[BUG #5426] minor wording and grammar
minor changes