[docs] Fix reference URLS to be absolute paths.
[docs] Fix reference URLS to be absolute paths.

phonegap/phonegap-docs,phonegap/phonegap-docs,openbizgit/phonegap-docs,barnyp/phonegap-docs,jcolinmurray/phonegap-docs,openbizgit/phonegap-docs,jcolinmurray/phonegap-docs,phonegap/phonegap-docs,barnyp/phonegap-docs