Merge pull request #8 from medo/Almgohar_RecoveryManager

Almgohar recovery manager
Tested buffer manager
Adding reading from properties file
Adding flusher control
Merge pull request #14 from medo/buffer_manager

Buffer manager V1.1
Bug fixes in buffer manager
Merge pull request #15 from medo/buffer_manager

Bug fixes in buffer manager
Changes
Merge branch 'master' of https://github.com/medo/RDBMS-T2 into Almgohar_RecoveryManager
Manager