Fix warnings

Author: garrettmoon

Makefile

@@ -8,7 +8,7 @@ carthage:
 	carthage build --no-skip-current
 
 lint:
-	pod lib lint --allow-warnings
+	pod lib lint
 
 analyze:
 	xcodebuild clean analyze -destination ${PLATFORM} -sdk ${SDK} -project PINOperation.xcodeproj -scheme PINOperation \

PINOperation.podspec

@@ -9,7 +9,7 @@ Pod::Spec.new do |s|
   s.requires_arc  = true
   s.frameworks    = 'Foundation'
   s.ios.deployment_target = '5.0'
-  s.osx.deployment_target = '10.7'
+  s.osx.deployment_target = '10.8'
   s.tvos.deployment_target = '9.0'
   s.watchos.deployment_target = '2.0'
   pch_PIN = <<-EOS

Source/PINOperationQueue.h

@@ -57,8 +57,6 @@ PINOP_SUBCLASSING_RESTRICTED
  *
  * @param operation The operation object to be added to the queue.
  * @param priority The execution priority of the operation in an operation queue.
- *
- * @discussion
  */
 - (id <PINOperationReference>)scheduleOperation:(dispatch_block_t)operation withPriority:(PINOperationQueuePriority)priority;
 
@@ -71,8 +69,6 @@ PINOP_SUBCLASSING_RESTRICTED
  * @param coalescingData The optional data consumed by this operation that needs to be updated/coalesced with data of a new operation when coalescing the two operations happens.
  * @param dataCoalescingBlock The optional block called to update/coalesce the data of this operation with data of a new operation when coalescing the two operations happens.
  * @param completion The block to execute after the operation finished.
- *
- * @discussion
  */
 - (id <PINOperationReference>)scheduleOperation:(PINOperationBlock)operation
                                    withPriority:(PINOperationQueuePriority)priority