[1.0.x] + rework the fix #954
https://java.net/jira/browse/GRIZZLY-954
"Grizzly somehow mixes sessions from different requests returning wrong resource"

Make sure legacy AsyncFilter API is not changed
[1.0.x] [maven-release-plugin] prepare release 1_0_48
[1.0.x] [maven-release-plugin] prepare for next development iteration