upgrade ant tool, as ant < 1.9 cannot handle java 8
upgrade ant tool, as ant < 1.9 cannot handle java 8

inclement/buildozer,bob-the-hamster/buildozer,cbenhagen/buildozer,inclement/buildozer,kivy/buildozer,kived/buildozer,kivy/buildozer,inclement/buildozer,rnixx/buildozer,superalex/buildozer,rnixx/buildozer,kived/buildozer,dvenkatsagar/buildozer,rnixx/buildozer,kivy/buildozer,inclement/buildozer,kivy/buildozer,rnixx/buildozer