Revert "HBASE-12471 Task 4. replace internal ConnectionManager#{delete,get}Connection use with #close, #createConnection (0.98, 0.99)"

This reverts commit 4f5cde8a698b4d416694842c2e82114a44fc0471.
Revert "HBASE-12495 Use interfaces in the shell scripts (Solomon Duskis)"

This reverts commit 5accf4836241573a62343bdaf3f8202a6661a8d8.
Patch up Jetty to disable SSLv3 (CVE-2014-3566)
HBASE-12529 Use ThreadLocalRandom for RandomQueueBalancer