Filter input on deck margin

[ntcho]

Fatal Exception: java.lang.NumberFormatException: Invalid float: "0,80"
       at java.lang.StringToReal.invalidReal(StringToReal.java:63)
       at java.lang.StringToReal.parseFloat(StringToReal.java:310)
       at java.lang.Float.parseFloat(Float.java:300)
       at java.lang.Float.valueOf(Float.java:337)
       at com.bedrock.padder.fragment.SettingsFragment$14.onEditorAction(SettingsFragment.java:372)
       at android.widget.TextView.onEditorAction(TextView.java:4258)
       at com.android.internal.widget.EditableInputConnection.performEditorAction(EditableInputConnection.java:138)
       at com.android.internal.view.IInputConnectionWrapper.executeMessage(IInputConnectionWrapper.java:297)
       at com.android.internal.view.IInputConnectionWrapper$MyHandler.handleMessage(IInputConnectionWrapper.java:77)
       at android.os.Handler.dispatchMessage(Handler.java:102)
       at android.os.Looper.loop(Looper.java:136)
       at android.app.ActivityThread.main(ActivityThread.java:5050)
       at java.lang.reflect.Method.invokeNative(Method.java)
       at java.lang.reflect.Method.invoke(Method.java:515)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:805)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:621)
       at dalvik.system.NativeStart.main(NativeStart.java)