Add http server e2e test #820
Revert "Add http server e2e test #820"

This reverts commit 2ec71e822ec98ffa8c1406c0c0e9b3103396beb7.
add e2e test for http #820
made remote manager available to ReefEventStateManager and update test cases
address CR
address CR, also add driver info to httpserver
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF
address CR feedback
address more CR feedbacks
pom & pair
Structural Changes to reef-poison

Poison to tasks to simulate task failures
cosmetic code fixes + logging improvements. Unit test
FailureTest.testFailureRestart still fails.
Fixed issue causing test failure
Merge pull request #864 from Microsoft-CISL/shravan_gc_parity_fixes

Shravan gc parity fixes
cosmetic fixes to the http server code (mostly in test)
Merge branch 'yingdac_driver_info_859_pr'
minor fix to the TestHttpServer.httpServerPortRetryTest()
close handler and AvroEvaluator
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into juwang-handleHttpEvent