changed kivy recipe to pull from our fork and the master branch by default
changed kivy recipe to pull from our fork and the master branch by default

ehealthafrica-ci/python-for-android,eHealthAfrica/python-for-android,eHealthAfrica/python-for-android,ehealthafrica-ci/python-for-android,ehealthafrica-ci/python-for-android,ehealthafrica-ci/python-for-android,ehealthafrica-ci/python-for-android,eHealthAfrica/python-for-android,eHealthAfrica/python-for-android,ehealthafrica-ci/python-for-android,eHealthAfrica/python-for-android,eHealthAfrica/python-for-android,eHealthAfrica/python-for-android,ehealthafrica-ci/python-for-android,ehealthafrica-ci/python-for-android