issue #4786, Show tip message when python version is not compatible.
Merge pull request #89 from natural-law/python-version-hint

Show tip message when python version is not compatible.
Enhance competibility of cocos build -p android command, let ant and android sdk path which include blace spaces works well.
Merge branch 'python-version-hint' into develop
Merge pull request #90 from natural-law/develop

Show tip message when python version is not compatible.