Updating doc for the new incrementalRepair parameter

Author: djsly

README.md

@@ -94,6 +94,13 @@ The Reaper service specific configuration values are:
   Intensity 0.75 means that 25% of the total time is used sleeping and 75% running.
   This value can also be overwritten per repair run when invoking repairs.
 
+* incrementalRepair:
+
+  Incremental reaper is a boolean value (true | false) which defines if you want to exercise the incremental
+  repair logic. Note that this is only supported with the PARALLEL repairParallelism setting.
+  For more details in incremental repair, please refer to the following article
+  http://www.datastax.com/dev/blog/more-efficient-repairs
+
 * repairRunThreadCount:
 
   The amount of threads to use for handling the Reaper tasks. Have this big enough not to cause
@@ -196,6 +203,7 @@ Source code for all the REST resources can be found from package com.spotify.rea
     * *segmentCount*: Defines the amount of segments to create for repair run. (Optional)
     * *repairParallelism*: Defines the used repair parallelism for repair run. (Optional)
     * *intensity*: Defines the repair intensity for repair run. (Optional)
+    * *incrementalRepair*: Defines if incremental repair should be done. [True/False] (Optional)
 
 * PUT    /repair_run/{id}
   * Expected query parameters:
@@ -231,6 +239,7 @@ Source code for all the REST resources can be found from package com.spotify.rea
     * *segmentCount*: Defines the amount of segments to create for scheduled repair runs. (Optional)
     * *repairParallelism*: Defines the used repair parallelism for scheduled repair runs. (Optional)
     * *intensity*: Defines the repair intensity for scheduled repair runs. (Optional)
+    * *incrementalRepair*: Defines if incremental repair should be done. [True/False] (Optional)
     * *scheduleDaysBetween*: Defines the amount of days to wait between scheduling new repairs.
                              For example, use value 7 for weekly schedule.
     * *scheduleTriggerTime*: Defines the time for first scheduled trigger for the run.