better debug output

closes coronalabs#69

Author: Shchvova

bin/xcode/codesign-framework.sh

@@ -44,7 +44,7 @@ then
 		# Default is to sign *all* embedded frameworks in .app bundle
 		BINARY_FOLDER=$BUILT_PRODUCTS_DIR/$FRAMEWORKS_FOLDER_PATH
 
-		echo "Codesign embedded frameworks in folder ($BINARY_FOLDER):"
+		echo "Codesign embedded frameworks in folder ($BINARY_FOLDER):" || true
 
 		for f in "${BINARY_FOLDER}"/*.framework
 		do

platform/resources/CoronaBuilderPluginCollector.lua

@@ -408,7 +408,7 @@ local function CollectCoronaPlugins(params)
                 elseif type(module) == 'table' and type(module.collect) == 'function' then
                     table.insert(params.pluginLocators, #params.pluginLocators, module)
                 else
-                    print("WARNING: Invalid locator " .. file .. ". Not a function and does not have 'collect' function field")
+                    print("WARNING: error importing plugin locator " .. file .. ": " .. tostring(module))
                 end
             end
         end