Merge pull request #49 from Joschasa/master

Let htmLawed keep width+height for images
Compare versions in a more robust way.
Found another place with a php version check.
Somehow I managed to get it wrong the first time.
reinstate back sanitizedummy parameter fix that got reverted
Merge pull request #51 from mitakas/version_check

Compare versions in a more readable way.
make version checks a bit more readable
pluginhandler: better error reporting
plugins: fix wrongly placed bracket preventing web updater from working
cdm: make article headers more visible
cdm: make article headers more visible (2)
cdm: tweak the colorscheme a bit
tweak cdm header button alignment
cdmContentInner: fix margins
tweak cdm footer display
remove gray/white content tiling in cdm because headers make a better job to distinguish between posts
disable label row gradient in cdm, looks weird
cdm: make selected entry footer solid color
cdm: make read articles less visible
fix several issues with updater (refs #562)