fix paths for OSX force install

Author: ianfixes

lib/arduino_ci/arduino_downloader_osx.rb

@@ -41,19 +41,19 @@ def self.find_existing_arduino_exe(paths)
     # The path to the directory of an existing installation, or nil
     # @return [string]
     def self.existing_installation
-      self.find_existing_arduino_dir(["/Applications/Arduino.app/Contents"])
+      self.find_existing_arduino_dir(["/Applications/Arduino.app"])
     end
 
     # The executable Arduino file in an existing installation, or nil
     # @return [string]
     def self.existing_executable
-      self.find_existing_arduino_exe(["/Applications/Arduino.app/Contents"])
+      self.find_existing_arduino_exe(["/Applications/Arduino.app"])
     end
 
     # The executable Arduino file in a forced installation, or nil
     # @return [string]
     def self.force_installed_executable
-      self.find_existing_arduino_exe([File.join(self.force_install_location, "Contents")])
+      self.find_existing_arduino_exe([self.force_install_location])
     end
 
   end

lib/arduino_ci/arduino_installation.rb

@@ -60,7 +60,7 @@ def autolocate_osx
             "processing.app.Base",
           ],
           # failsafe way
-          [File.join(osx_root, "MacOS", "Arduino")]
+          [File.join(osx_root, "Contents", "MacOS", "Arduino")]
         ]
 
         # create return and find a command launcher that works