move issues to pull request in contributing
move issues to pull request in contributing

tjwei/jedi,flurischt/jedi,jonashaag/jedi,dwillmer/jedi,tjwei/jedi,WoLpH/jedi,mfussenegger/jedi,flurischt/jedi,WoLpH/jedi,dwillmer/jedi,mfussenegger/jedi,jonashaag/jedi