Also allow the AccessToken header.
No need to write an empty response on an OPTIONS request.
Merge pull request #1357 from adam-rightshift/master

CORSInterceptor
More fixes for #1338: Add a new AtmosphereResource.forceBinaryWrite API
More fixes for #1338: Add a special client header
New Javascript version for client
[cpr][util] Fixes #1294
[cpr][util] #1294 Add javadoc
Update
Port Fixes for rmuller/infomas-asl#14
Port Fixes for rmuller/infomas-asl#14
Check for null
Check for null
fixes a potential NullPointerException when session is destroyed
Merge pull request #1361 from klieber/topic/session-destroy-npe

Fixes a potential NullPointerException when session is destroyed
Add dummy implementation to prevent NPE when misused
Fixes #1363
Fixes #1360
Check if the socket is open
Fixes #1364