Reduced compiler warnings. No functional changes (except MediaEncoder.cs and AutomaticRestartEntryPoint.cs)

MediaBrowser.Api/ApiEntryPoint.cs

@@ -559,13 +559,13 @@ namespace MediaBrowser.Api
             {
 
             }
-            catch (IOException ex)
+            catch (IOException)
             {
                 //Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, path);
 
                 DeletePartialStreamFiles(path, jobType, retryCount + 1, 500);
             }
-            catch (Exception ex)
+            catch
             {
                 //Logger.ErrorException("Error deleting partial stream file(s) {0}", ex, path);
             }

MediaBrowser.Api/Playback/BaseStreamingService.cs

@@ -1080,7 +1080,7 @@ namespace MediaBrowser.Api.Playback
             //process.BeginOutputReadLine();
 
             // Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback
-            Task.Run(() => StartStreamingLog(transcodingJob, state, process.StandardError.BaseStream, state.LogFileStream));
+            var task = Task.Run(() => StartStreamingLog(transcodingJob, state, process.StandardError.BaseStream, state.LogFileStream));
 
             // Wait for the file to exist before proceeeding
             while (!FileSystem.FileExists(state.WaitForPath ?? outputPath) && !transcodingJob.HasExited)

MediaBrowser.Api/PluginService.cs

@@ -227,7 +227,7 @@ namespace MediaBrowser.Api
                         .ToList();
                 }
             }
-            catch (Exception ex)
+            catch
             {
                 //Logger.ErrorException("Error getting plugin list", ex);
                 // Play it safe here