Updated .gitignore for kdevelop4
Updated .gitignore for kdevelop4

eric-haibin-lin/peloton,eric-haibin-lin/peloton,eric-haibin-lin/peloton,eric-haibin-lin/peloton,eric-haibin-lin/peloton,eric-haibin-lin/peloton,eric-haibin-lin/peloton