Renamed searchplugins to productization

ToDo: extract info from region.properties
p12n: change json format, started work on region.properties
More productization checks

At this time: default search engine, search engine order, feed
handlers. ToDo: protocol handlers
Still p12n

Added content handlers extraction, raise warning if key is not
recognized
Removed global variable (clproduct)
Basic check for differences between branches
p12n checks, print more clear differences
p12n: make productizazione checks optional

Added -s (--productization) option to have a cleaner output when just
checking searchplugins
p12n: add warning about Google Reader as feed handler
p12n: add basic metro checks (metrolist.txt)

No productization checks
p12n: check search engine names in region.properties

Compare them with searchplugins to check if names are correct
p12n: Fix error in case of missing searchplugins
p12n: First version of Metro p12n checks
Metro p12n:  changed output to html

Avoid issues with UTF-8 content, better readability
p12n: metro, improve error messages
p12n: add webviews folder, new view for Yahoo and Bing icons
p12n: update yahoo+bing view
p12n: metro, display differences in searchplugins
p12n: metro, add anchors to locale names
p12n: added view with bing+yahoo+ebay for aurora