RavenDB-1304 Storing keys with length > 127 in esent store throws ConcurrencyException

Requires: Storage schema update. Should be pretty fast, though, we just create an internal storage index.
RavenDB-1553 Add dangerous url to config
RavenDB-1553 Add dangerous url to config (DefaultConfigs)
Merge branch 'RavenDB_1553' of https://github.com/ml054/ravendb
Fixing test
Merge branch 'master' of github.com:ayende/ravendb
add options to setup for DataDir and IndexStoragePath
Merge branch 'setup_options' of https://github.com/netclectic/ravendb
Better logging & behavior about shutting down idle indexes.
Better logging and behavior when indexes are running for very long period of time
Merge branch 'master' of github.com:ayende/ravendb