ALLJOYN-2056 Add additional parameter SessionLostReason to new SessionLost call.

1. SessionLost callback inside SessionListener now has two variants
2. Added sessionWasLost:forReason: callback to the bindings
3. Updated iOS and OSX samples to reflect the changes
4. Updated iOS and OSX test programs to reflect the changes
ALLJOYN-2085 Add removeSessionMember:withName: to Objective-C bindings. This maps to
RemoveSessionMember in AllJoyn core
ALLJOYN-2074 Add object level security APIs to Objective-C bindings
ALLJOYN-2114 AllJoynPerfTest app now responds to Stop button properly on the receiver side when
using method calls and does not end up in an unexpected state

1. AllJoynPerfTest would call [self didTouchStartButton:self] at the end of method calls or if
stop was called which lead to a restart of the receiver and it ended up in an unexpected state
2. If the sender side went away the receiver had no way of coming out except wait for timeout
after which it again ended up in an unexpected state
ALLJOYN-2246 iOS 7 and OS X 10.9 changes for unit tests to buildbot with Xcode 5
ALLJOYN-2065 Additional changes for Xcode DP5 to make AllJoyn core work on iOS 7
and OS X 10.9