MultipleCauseException fixed

If  MultipleCauseException contains more than 1 failure it prints out
each individual failure instead of just reporting a
MultipleCauseException
Moved catch to PostgresServerconnection

Moved catch to topLevel() in PostgresServerConnection
Delete nohup.out
Update MultipleCauseException.java
added logError and cleaned up

added logError to final element in list
removed unnecessary catch (RuntimeException) block
merge JerettS: MultipleCauseException fix

Merge pull request #1337 from JerettS/sql-layer/MultipleCauseException-fix
https://github.com/FoundationDB/sql-layer/pull/1337