Bugfix: Fix error with DBOperation.cpp

Being new to C++, I'm not sure that it's even done right..
Merge pull request #255 from thatbryson/master

Bugfix: Fixed two warnings in DBOperation.cpp.
Bugfix: Improvements to postgres test env.
Cleanup: Comment out unused args in /net until they are used by implementation.
Tests: Cleanup junk in test/common/dbserver
Docs: Explicitly specify field order.
Bamboo/dclass: Implement comparison operator for Field based on field_id
Tests: Have dbserver tests expect fields ordered by field_id
DBOperation: Use sorted sets and maps to efficiently handle ordering of fields.
Tests: Update stateserver test for defined ordering
StateServer: Update stateserver for ordering rules.
Tests: Update dbss test for defined ordering
Bugfix: Add missing return in field comparisons.
Bugfix: DBSS incorrectly orders set_fields to Database.

Using FieldValues instead of unordered map in DBSS handle_set_fields.
Bugfix: Be a little less strict about what we consider a valid address in tests.
Merge pull request #256 from Astron/bugfix/field-ordering

Bugfix: Fields should be relayed ordered by field_id
Merge pull request #257 from Astron/bugfix/config-invalid-addr-windows

Bugfix: Test valid address (broken on Windows)
Tests: Update postgres test for slow systems.
Tests: Have postgres startup use the same timeout as mongod
docs: Quick typo fix.