Update README with submodule information
Update README with submodule information

joskarthic/chatsecure,bonashen/ChatSecureAndroid,OnlyInAmerica/ChatSecureAndroid,anvayarai/my-ChatSecure,n8fr8/ChatSecureAndroid,n8fr8/ChatSecureAndroid,ChatSecure/ChatSecureAndroid,guardianproject/ChatSecureAndroid,maheshwarishivam/ChatSecureAndroid,ChatSecure/ChatSecureAndroid,kden/ChatSecureAndroid,OnlyInAmerica/ChatSecureAndroid,kden/ChatSecureAndroid,10045125/ChatSecureAndroid,bonashen/ChatSecureAndroid,ChatSecure/ChatSecureAndroid,maheshwarishivam/ChatSecureAndroid,n8fr8/AwesomeApp,h2ri/ChatSecureAndroid,31H0B1eV/ChatSecureAndroid,n8fr8/AwesomeApp,OnlyInAmerica/ChatSecureAndroid,joskarthic/chatsecure,kden/ChatSecureAndroid,bonashen/ChatSecureAndroid,guardianproject/ChatSecureAndroid,joskarthic/chatsecure,maheshwarishivam/ChatSecureAndroid,prive/prive-android,prive/prive-android,h2ri/ChatSecureAndroid,anvayarai/my-ChatSecure,31H0B1eV/ChatSecureAndroid,OnlyInAmerica/ChatSecureAndroid,prembasumatary/ChatSecureAndroid,h2ri/ChatSecureAndroid,10045125/ChatSecureAndroid,prive/prive-android,prembasumatary/ChatSecureAndroid,prive/prive-android,eighthave/ChatSecureAndroid,ChatSecure/ChatSecureAndroid,n8fr8/AwesomeApp,guardianproject/ChatSecureAndroid,10045125/ChatSecureAndroid,eighthave/ChatSecureAndroid,eighthave/ChatSecureAndroid,Heart2009/ChatSecureAndroid,n8fr8/ChatSecureAndroid,prembasumatary/ChatSecureAndroid,anvayarai/my-ChatSecure,Heart2009/ChatSecureAndroid,31H0B1eV/ChatSecureAndroid,Heart2009/ChatSecureAndroid