updated readme based on issue #1
updated readme based on issue #1

tanelih/phonegap-bluetooth-plugin,phamtranthien3979/phonegap-bluetooth-plugin,phamtranthien3979/phonegap-bluetooth-plugin,phamtranthien3979/phonegap-bluetooth-plugin,tanelih/phonegap-bluetooth-plugin,tanelih/phonegap-bluetooth-plugin