Ensure Ivy files are excluded from git repo
Ensure Ivy files are excluded from git repo

crosswalk-project/crosswalk-samples,crosswalk-project/crosswalk-samples,zqzhang/crosswalk-samples,crosswalk-project/crosswalk-samples,rakuco/crosswalk-samples,zqzhang/crosswalk-samples,hgl888/crosswalk-samples,hgl888/crosswalk-samples,hgl888/crosswalk-samples,zqzhang/crosswalk-samples,zqzhang/crosswalk-samples,rakuco/crosswalk-samples,crosswalk-project/crosswalk-samples,haoxli/crosswalk-samples,haoxli/crosswalk-samples,rakuco/crosswalk-samples,haoxli/crosswalk-samples,rakuco/crosswalk-samples,crosswalk-project/crosswalk-samples,hgl888/crosswalk-samples,haoxli/crosswalk-samples