Turn javascript proxies off by default. Security and what not.
#1252
Updated signalr.exe help link to fwlink
Suppress FxCop warning RE resource in signalr.exe
Catch exceptions that occur on Send from LongPollingTransport.
Don't raise keep alive for transports that don't support it (LongPolling).
Fixed internals visible to in system web 4.5 assembly.
Merge branch 'release' into dev