added width / height attributes to img tags
added ability to cache static content in the browser
removed unused function leadingZeroFor
loading small gravatar images now server side and caching the results
Merge pull request #730 from leider/hotfix

fixed what I've messed up with "moment" in English :(
Inline local variable.
Extracted app creation so that it is only done once for each required app.
Changed the last "un-exceptioned" function of the testpersistence to throw an exception. Added a stub for persistence where it was required.
Merge pull request #732 from NicoleRauch/master

Small cleanup
Merge commit 'dcbdf86a65f4f812c7932622e35ce669ae1e9160'
delete file that is not needed
Merge pull request #733 from leider/master

loading small gravatar images now server side and caching the results
removed irritating comment
translating some more pages to English
fixing nodetestingtechniques#12
Merge pull request #734 from leider/master

translating some more pages to English
db name is now configurable
peinlich
Merge pull request #735 from leider/master

db name is now configurable
changed npm source of 'connect-mongo' to the official version instead of the git repo