Optimize wording in README.md for APIs and their backwards compatibility
Optimize wording in README.md for APIs and their backwards compatibility

annarev/tensorflow,davidzchen/tensorflow,ppwwyyxx/tensorflow,jendap/tensorflow,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-experimental_link_static_libraries_once,theflofly/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-Corporation/tensorflow,tensorflow/tensorflow-pywrap_saved_model,ageron/tensorflow,jbedorf/tensorflow,jhseu/tensorflow,kevin-coder/tensorflow-fork,tensorflow/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,gautam1858/tensorflow,arborh/tensorflow,frreiss/tensorflow-fred,davidzchen/tensorflow,xzturn/tensorflow,frreiss/tensorflow-fred,aam-at/tensorflow,paolodedios/tensorflow,arborh/tensorflow,ghchinoy/tensorflow,jhseu/tensorflow,sarvex/tensorflow,freedomtan/tensorflow,gautam1858/tensorflow,frreiss/tensorflow-fred,arborh/tensorflow,tensorflow/tensorflow-pywrap_saved_model,jendap/tensorflow,ageron/tensorflow,karllessard/tensorflow,tensorflow/tensorflow,yongtang/tensorflow,petewarden/tensorflow,chemelnucfin/tensorflow,aam-at/tensorflow,freedomtan/tensorflow,petewarden/tensorflow,jendap/tensorflow,ghchinoy/tensorflow,yongtang/tensorflow,arborh/tensorflow,davidzchen/tensorflow,ppwwyyxx/tensorflow,aldian/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,freedomtan/tensorflow,DavidNorman/tensorflow,yongtang/tensorflow,ppwwyyxx/tensorflow,adit-chandra/tensorflow,ageron/tensorflow,yongtang/tensorflow,sarvex/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,xzturn/tensorflow,tensorflow/tensorflow,jbedorf/tensorflow,gunan/tensorflow,ghchinoy/tensorflow,gunan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,karllessard/tensorflow,DavidNorman/tensorflow,annarev/tensorflow,ageron/tensorflow,gunan/tensorflow,annarev/tensorflow,cxxgtxy/tensorflow,theflofly/tensorflow,aldian/tensorflow,jhseu/tensorflow,davidzchen/tensorflow,jbedorf/tensorflow,DavidNorman/tensorflow,chemelnucfin/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,aldian/tensorflow,arborh/tensorflow,alsrgv/tensorflow,paolodedios/tensorflow,gautam1858/tensorflow,sarvex/tensorflow,cxxgtxy/tensorflow,kevin-coder/tensorflow-fork,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_tf_optimizer,chemelnucfin/tensorflow,adit-chandra/tensorflow,freedomtan/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,chemelnucfin/tensorflow,DavidNorman/tensorflow,kevin-coder/tensorflow-fork,freedomtan/tensorflow,kevin-coder/tensorflow-fork,ppwwyyxx/tensorflow,ageron/tensorflow,yongtang/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,jendap/tensorflow,Intel-Corporation/tensorflow,davidzchen/tensorflow,renyi533/tensorflow,renyi533/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,ppwwyyxx/tensorflow,kevin-coder/tensorflow-fork,theflofly/tensorflow,xzturn/tensorflow,frreiss/tensorflow-fred,ghchinoy/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,theflofly/tensorflow,paolodedios/tensorflow,aam-at/tensorflow,jhseu/tensorflow,ageron/tensorflow,ghchinoy/tensorflow,Intel-Corporation/tensorflow,annarev/tensorflow,ageron/tensorflow,gunan/tensorflow,paolodedios/tensorflow,ppwwyyxx/tensorflow,ppwwyyxx/tensorflow,adit-chandra/tensorflow,karllessard/tensorflow,jhseu/tensorflow,ghchinoy/tensorflow,Intel-tensorflow/tensorflow,cxxgtxy/tensorflow,jendap/tensorflow,alsrgv/tensorflow,petewarden/tensorflow,cxxgtxy/tensorflow,jbedorf/tensorflow,jhseu/tensorflow,DavidNorman/tensorflow,aam-at/tensorflow,xzturn/tensorflow,aam-at/tensorflow,theflofly/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,kevin-coder/tensorflow-fork,chemelnucfin/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,aldian/tensorflow,aldian/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow-pywrap_saved_model,ghchinoy/tensorflow,davidzchen/tensorflow,alsrgv/tensorflow,DavidNorman/tensorflow,yongtang/tensorflow,ghchinoy/tensorflow,davidzchen/tensorflow,jendap/tensorflow,gunan/tensorflow,theflofly/tensorflow,karllessard/tensorflow,gunan/tensorflow,adit-chandra/tensorflow,arborh/tensorflow,sarvex/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,karllessard/tensorflow,freedomtan/tensorflow,davidzchen/tensorflow,jbedorf/tensorflow,aldian/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,theflofly/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-pywrap_saved_model,jendap/tensorflow,ageron/tensorflow,ghchinoy/tensorflow,frreiss/tensorflow-fred,ageron/tensorflow,frreiss/tensorflow-fred,petewarden/tensorflow,gunan/tensorflow,ageron/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,petewarden/tensorflow,jbedorf/tensorflow,ppwwyyxx/tensorflow,freedomtan/tensorflow,xzturn/tensorflow,jbedorf/tensorflow,Intel-tensorflow/tensorflow,renyi533/tensorflow,theflofly/tensorflow,freedomtan/tensorflow,aam-at/tensorflow,xzturn/tensorflow,ghchinoy/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,gautam1858/tensorflow,Intel-tensorflow/tensorflow,gautam1858/tensorflow,cxxgtxy/tensorflow,cxxgtxy/tensorflow,aam-at/tensorflow,adit-chandra/tensorflow,alsrgv/tensorflow,gunan/tensorflow,xzturn/tensorflow,DavidNorman/tensorflow,freedomtan/tensorflow,karllessard/tensorflow,annarev/tensorflow,karllessard/tensorflow,sarvex/tensorflow,petewarden/tensorflow,adit-chandra/tensorflow,adit-chandra/tensorflow,tensorflow/tensorflow,ppwwyyxx/tensorflow,jendap/tensorflow,frreiss/tensorflow-fred,ppwwyyxx/tensorflow,kevin-coder/tensorflow-fork,xzturn/tensorflow,renyi533/tensorflow,jhseu/tensorflow,Intel-Corporation/tensorflow,renyi533/tensorflow,frreiss/tensorflow-fred,ppwwyyxx/tensorflow,renyi533/tensorflow,xzturn/tensorflow,tensorflow/tensorflow-pywrap_saved_model,renyi533/tensorflow,kevin-coder/tensorflow-fork,paolodedios/tensorflow,annarev/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gunan/tensorflow,DavidNorman/tensorflow,chemelnucfin/tensorflow,adit-chandra/tensorflow,jhseu/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,alsrgv/tensorflow,davidzchen/tensorflow,gunan/tensorflow,adit-chandra/tensorflow,gautam1858/tensorflow,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow,freedomtan/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,gunan/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,paolodedios/tensorflow,kevin-coder/tensorflow-fork,jbedorf/tensorflow,aam-at/tensorflow,chemelnucfin/tensorflow,jbedorf/tensorflow,ageron/tensorflow,arborh/tensorflow,annarev/tensorflow,Intel-tensorflow/tensorflow,yongtang/tensorflow,freedomtan/tensorflow,arborh/tensorflow,renyi533/tensorflow,paolodedios/tensorflow,renyi533/tensorflow,theflofly/tensorflow,aldian/tensorflow,yongtang/tensorflow,tensorflow/tensorflow,davidzchen/tensorflow,tensorflow/tensorflow,alsrgv/tensorflow,Intel-Corporation/tensorflow,karllessard/tensorflow,yongtang/tensorflow,karllessard/tensorflow,aam-at/tensorflow,Intel-Corporation/tensorflow,chemelnucfin/tensorflow,alsrgv/tensorflow,Intel-Corporation/tensorflow,DavidNorman/tensorflow,adit-chandra/tensorflow,paolodedios/tensorflow,petewarden/tensorflow,Intel-tensorflow/tensorflow,aam-at/tensorflow,yongtang/tensorflow,freedomtan/tensorflow,Intel-tensorflow/tensorflow,ppwwyyxx/tensorflow,alsrgv/tensorflow,alsrgv/tensorflow,frreiss/tensorflow-fred,petewarden/tensorflow,gautam1858/tensorflow,aldian/tensorflow,sarvex/tensorflow,jbedorf/tensorflow,renyi533/tensorflow,chemelnucfin/tensorflow,tensorflow/tensorflow-pywrap_saved_model,jhseu/tensorflow,DavidNorman/tensorflow,petewarden/tensorflow,annarev/tensorflow,alsrgv/tensorflow,karllessard/tensorflow,renyi533/tensorflow,paolodedios/tensorflow,kevin-coder/tensorflow-fork,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,chemelnucfin/tensorflow,yongtang/tensorflow,ghchinoy/tensorflow,sarvex/tensorflow,davidzchen/tensorflow,theflofly/tensorflow,arborh/tensorflow,theflofly/tensorflow,jendap/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,gunan/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,xzturn/tensorflow,cxxgtxy/tensorflow,jbedorf/tensorflow,ageron/tensorflow,kevin-coder/tensorflow-fork,jendap/tensorflow,annarev/tensorflow,theflofly/tensorflow,annarev/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_saved_model,chemelnucfin/tensorflow,arborh/tensorflow,tensorflow/tensorflow,paolodedios/tensorflow,karllessard/tensorflow,sarvex/tensorflow,petewarden/tensorflow,renyi533/tensorflow,annarev/tensorflow,arborh/tensorflow,alsrgv/tensorflow,tensorflow/tensorflow,adit-chandra/tensorflow,chemelnucfin/tensorflow,DavidNorman/tensorflow,adit-chandra/tensorflow,arborh/tensorflow,jbedorf/tensorflow,gautam1858/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,DavidNorman/tensorflow,jendap/tensorflow,cxxgtxy/tensorflow,ghchinoy/tensorflow,jhseu/tensorflow,aam-at/tensorflow,aam-at/tensorflow,jhseu/tensorflow