SERVER-1153: some very simple db ops work
SERVER-13635: move DatabaseCatalogEntry instantiation out of Database
SERVER-13635: correct file for MMAPV1DatabaseCatalogEntry
SERVER-13635: MMAP1DatabaseCatalogEntry to MMAPV1DatabaseCatalogEntry
remove unused option for hints
SERVER-13635: remove all non storage callers to flushAll
SERVER-13635: remove path concept from DatabaseHolder, and move repair and listDatabase into storageEngine
SERVER-14118 modify replset JS test to provide rs.add() coverage
Update errors.md for r2.7.2
SERVER-10069 Rewrite errorcodes.py so it captures multiline messages

- captures multiline messages, when possible
- no longer silently modifies source code. (for hygenic build)
- prompts user to reinvoke with "--fix" when conflict or zero code detected
- faster
Update errors.md for r2.7.2 with new errorcodes.py
SERVER-13635: DatabaseHolder goes through StorageEngine to create Databases
SERVER-13635 SERVER-1153: can choose heap1 at startup, but doesn't remotely work yet
SERVER-1153: insert and find works
SERVER-1153: turn off unit test until can clean library dependencies
SERVER-13635 Make BtreeInterface not Btree-specific

Implementations should be able to use any data structure that maintains
sorted order.
SERVER-14059 Allow overriding of dist architecture name in scons
SERVER-14302 SERVER-14304 Fix IDHackRunner's use of sharding filter
SERVER-13645 eliminate is_master.h
SERVER-14274 SERVER-14135 implement awaitReplication() in LegacyReplicationCoordinator