add XcodeColors

XcodeColors allows you to use colors in the Xcode debugging console. source: https://github.com/robbiehanson/XcodeColors
add JDPluginManager

another Plugin Manager, https://github.com/jaydee3/JDPluginManager
update screenshot of JDPluginManager
remove XcodeColors

XcodeColors got trouble to install.
 
      {
        "name": "XcodeColors",
        "url": "https://github.com/robbiehanson/XcodeColors",
        "description": "XcodeColors allows you to use colors in the Xcode debugging console."
      }
add AJKExtendedOpening
new param: project name

because the project name of AJKExtendedOpening is different from github project name.
"https://github.com/inquisitiveSoft/AJKExtendedOpening"
Merge branch 'master' of https://github.com/payliu/alcatraz-packages