Item12583: reverting version string to simple floats for compatibility reasons

Item12677: remove JSON::XS from DEPENDENCIES file. the code already use JSON which will load the best JSON::... in your @INC already.



git-svn-id: http://svn.foswiki.org/trunk@17131 0b4bb1d4-4e5a-0410-9cc4-b2b747904278