core: remove AS version 1.0, 2.0, 2.1
core: remove AS version 1.0, 2.0, 2.1

they are not in the microsoft "norm"
http://msdn.microsoft.com/en-us/library/gg672049%28v=exchg.80%29.aspx

they also prevent Microsoft Outlook 2013 from working
http://balarrock.blogspot.fr/2014/05/z-push-activesync.html

Signed-off-by: Etienne CHAMPETIER <d24370f93c848f9b9e9043ebb082d433901eaa60@fiducial.net>

fmbiete/Z-Push-contrib,Freeaqingme/Z-Push-contrib,RavenB/Z-Push-contrib,mta59066/Z-Push-contrib