.gitignore: Added *.class and *.jar files to ignore list
.gitignore: Added *.class and *.jar files to ignore list

Signed-off-by: Andrei Vasiliu <6cdfc3f07526ca8509c79e95022719f3e4f2f781@intel.com>

intel-iot-devkit/tinyb,stefan-andritoiu/tinyb,stefan-andritoiu/tinyb,intel-iot-devkit/tinyb,ptzafrir/tinyb,stefan-andritoiu/tinyb,ptzafrir/tinyb,ptzafrir/tinyb,intel-iot-devkit/tinyb