Renamed „downloadPaused“ to „suspended“ to use homonym naming with NS…

…OperationQueue, refactored this property to just forward the suspended state of the download queue

src/shared/AFCache.h

@@ -169,7 +169,7 @@ typedef struct NetworkTimeoutIntervals {
 /*
  * pause the downloads. cancels any running downloads and puts them back into the queue
  */
-@property (nonatomic, assign) BOOL downloadPaused;
+@property (nonatomic, assign, getter=suspended, setter=setSuspended:) BOOL suspended;
 
 /*
  * check if we have an internet connection. can be observed

src/shared/AFCache.m

@@ -117,7 +117,6 @@ - (id)initWithContext:(NSString*)context {
 }
 
 - (void)initialize {
-    _downloadPaused = NO;
     _downloadPermission = YES;
     _wantsToArchive = NO;
     _connectedToNetwork = NO;
@@ -1359,13 +1358,15 @@ - (BOOL)hasCachedItemForURL:(NSURL *)url
 
 #pragma mark - offline mode & pause methods
 
-- (void)setDownloadPaused:(BOOL)pause
-{
-	_downloadPaused = pause;
-    [self.packageArchiveQueue setSuspended:pause];
+- (BOOL)suspended {
+    return [self.downloadOperationQueue isSuspended];
+}
 
+- (void)setSuspended:(BOOL)pause {
     [self.downloadOperationQueue setSuspended:pause];
+    [self.packageArchiveQueue setSuspended:pause];
 
+    // TODO: Do we really need to cancel already running downloads? If not, just remove the following lines
 	if (pause) {
         // TODO: Cancel current downloads and add running download operations to a list...
     }
@@ -1408,8 +1409,7 @@ - (BOOL)isConnectedToNetwork  {
 
 - (void)setConnectedToNetwork:(BOOL)connected
 {
-    if (_connectedToNetwork != connected)
-    {
+    if (_connectedToNetwork != connected) {
         [self willChangeValueForKey:@"connectedToNetwork"];
         _connectedToNetwork = connected;
         [self didChangeValueForKey:@"connectedToNetwork"];