[2.3.x] + add javadocs and comments for implement task #1552
https://java.net/jira/browse/GRIZZLY-1552
"Create connection-pool sample"
[2.3.x] + fix issue #1551
https://java.net/jira/browse/GRIZZLY-1551
"Enabling compression leads to only 10 Bytes being sent for files of 8193 up to 16383 Bytes"