Undisposed connections and transactions stats

[nikolajhalvorsen]

[what-the-diff[bot]]

• Added a new file
• Changed the value of some keys in this file
• Removed unused using statements
• Fixed some tests that were failing due to missing escape characters in SQL queries
• Added a test for the StoreStats class, which is used by DocumentStore and Session to track undisposed connections and transactions (used when running integration tests)
• Added a new parameter to the constructor of SqlServerUsingRealTables and SqlServerUsingGlobalTempTables
• Changed the callers of these constructors to pass in this new parameter
• Initialized storeStats variable with value passed into constructor (SQLServer)
• Added calls for TransactionCreated/Disposed on StoreStats when creating or disposing transactions (DocumentTransaction)
• Added a new class SqlServerUsingLocalTempTables
• Changed the signature of constructor for SqlServerUsingRealTables to accept StoreStats as an argument
• Added some code in Dispose method of ManagedConnection and TransactionScopeWrapper classes to track undisposed connections/transactions