FLUME-2509.  Add description for properties in Failover Sink Processor

(Ashish Paliwal via Roshan Naik)
FLUME-1594. Document JMX options

(Ashish Paliwal via Roshan Naik)
FLUME-1521. Document the StressSource

(Ashish Paliwal via Roshan Naik)
FLUME-2487. SyslogParser has rounding errors in timestamp parsing

(Santiago M. Mola via Roshan Naik)
FLUME-2480. Typo in file channel exception: "Usable space exhaused"

(Santiago M. Mola via Roshan Naik)
FLUME-2246. Make event data size configurable for logger sinker

(Ashish Paliwal via Roshan Naik)