Adding filestore stats : num_bytes_written, num_events_written per category
keep category name same and provide fstype in metric name
Merge pull request #5 from InMobi/stats_filestore

Adding filestore stats : <fstype>_wrote_num_messages and <fstype>_wrote_bytes
Audit changes
audit changes in scribe_server/store_queue/store files to create audit messages for sent/received msgs
Refactored audit changes to separate files scribe_audit.[h/cpp], added synchronization to update audit counter, supported new fields in audit idl
Added try/catch block in scribe_audit.cpp for failure handling; refactoring in store.cpp
<fstype>_wrote_num_messgaes and received good mismatch
logging done on close of file not on rotation
Typo modified
eventsWritten incremented on every msg written
1) Added new fields in audit thrift; 2) renamed audit to _audit; 3) optimization in scribe_audit.cpp to first check timestamp before acquiring read lock
Set isAudit default false in ctor; log message changes
counters incremented in closeWriteFile()
typo modified
removed message from printStats()
Merge pull request #6 from AnnapurnaVemuri/msgstatsmismatch

<fstype>_wrote_num_messgaes and received good mismatch
Merge branch 'master' into audit
Add support for hdfs tier audit
Not deleting the file on failing to replace the oldest messages