c# core: user state fix
c# core: set user state format

added preprocessor directive to support WP8
c# core: preprocessor directive
c# wp8 : replaced lib for concurrentdictionary
c# wp7: updated core file

user state fix and preprocessor directive for WP7
c# iis: updated core file
c# wp7: readme
c# iis: readme
c# core: updated heartbeatinterval
c# sl: added 3.6 features to demo

with heartbeatinterval fix
c# iis: updated core
c# wp7: updated core
c# wp8: updated core