Merge pull request #320 from avimanyum/catch_exception

Catching IOException when the image name is invalid

dockerfile-image-update/src/main/java/com/salesforce/dockerfileimageupdate/subcommands/impl/All.java

@@ -74,7 +74,7 @@ public void execute(final Namespace ns, final DockerfileGitHubUtil dockerfileGit
                         }
                     });
                 }
-            } catch (GHException | HttpException e){
+            } catch (GHException | IOException e){
                 log.error("Could not perform Github search for the image {}. Trying to proceed...", image);
                 processErrors(image, tag, e, imagesThatCouldNotBeProcessed);
             }