[add] Executor that has retry capability for tasks.

git-svn-id: https://spf4j.googlecode.com/svn/trunk@65 d408096a-aa36-d13b-a661-48d75a76e993
[add] control over which exceptions to retry.

git-svn-id: https://spf4j.googlecode.com/svn/trunk@66 d408096a-aa36-d13b-a661-48d75a76e993
[add] more work on the object pool.
Pool has a bug that causes it to deadlock

git-svn-id: https://spf4j.googlecode.com/svn/trunk@67 d408096a-aa36-d13b-a661-48d75a76e993
[fix] deadlock issue in object pool...

git-svn-id: https://spf4j.googlecode.com/svn/trunk@68 d408096a-aa36-d13b-a661-48d75a76e993
Initial commit
Merge branch 'master' of https://github.com/zolyfarkas/spf4j