[#400] modified menu to read Open existing project instead of Add existing project
[#400] modified menu to read Open existing project instead of Add existing project

caseytrombley/phonegap-app-desktop,jvkops/phonegap-app-desktop,kissthink/phonegap-app-desktop,jvkops/phonegap-app-desktop,TheChrisLove/phonegap-app-desktop,jvkops/phonegap-app-desktop,jvkops/phonegap-app-desktop,001szymon/phonegap-app-desktop,caseytrombley/phonegap-app-desktop,caseytrombley/phonegap-app-desktop,kissthink/phonegap-app-desktop,caseytrombley/phonegap-app-desktop,caseytrombley/phonegap-app-desktop,kissthink/phonegap-app-desktop,jvkops/phonegap-app-desktop,hotarzhang/phonegap-app-desktop,kissthink/phonegap-app-desktop,001szymon/phonegap-app-desktop,001szymon/phonegap-app-desktop,hotarzhang/phonegap-app-desktop,TheChrisLove/phonegap-app-desktop,TheChrisLove/phonegap-app-desktop,TheChrisLove/phonegap-app-desktop,hotarzhang/phonegap-app-desktop,001szymon/phonegap-app-desktop,hotarzhang/phonegap-app-desktop,kissthink/phonegap-app-desktop,001szymon/phonegap-app-desktop,hotarzhang/phonegap-app-desktop,TheChrisLove/phonegap-app-desktop