Updates job type parameter to dropdown
Updates job type parameter to dropdown

eric-haibin-lin/mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,eric-haibin-lin/mxnet,leezu/mxnet,ForkedReposBak/mxnet,DickJC123/mxnet,szha/mxnet,tlby/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,apache/incubator-mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,larroy/mxnet,larroy/mxnet,ForkedReposBak/mxnet,szha/mxnet,tlby/mxnet,tlby/mxnet,reminisce/mxnet,tlby/mxnet,reminisce/mxnet,zhreshold/mxnet,ForkedReposBak/mxnet,tlby/mxnet,szha/mxnet,leezu/mxnet,apache/incubator-mxnet,larroy/mxnet,leezu/mxnet,leezu/mxnet,tlby/mxnet,sxjscience/mxnet,zhreshold/mxnet,leezu/mxnet,larroy/mxnet,DickJC123/mxnet,reminisce/mxnet,DickJC123/mxnet,szha/mxnet,reminisce/mxnet,DickJC123/mxnet,yajiedesign/mxnet,leezu/mxnet,leezu/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,tlby/mxnet,zhreshold/mxnet,larroy/mxnet,yajiedesign/mxnet,yajiedesign/mxnet,sxjscience/mxnet,sxjscience/mxnet,zhreshold/mxnet,eric-haibin-lin/mxnet,larroy/mxnet,apache/incubator-mxnet,ForkedReposBak/mxnet,szha/mxnet,zhreshold/mxnet,zhreshold/mxnet,ForkedReposBak/mxnet,reminisce/mxnet,szha/mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,larroy/mxnet,reminisce/mxnet,reminisce/mxnet,tlby/mxnet,szha/mxnet,apache/incubator-mxnet,tlby/mxnet,zhreshold/mxnet,yajiedesign/mxnet,zhreshold/mxnet,yajiedesign/mxnet,reminisce/mxnet,tlby/mxnet,szha/mxnet,leezu/mxnet,larroy/mxnet,eric-haibin-lin/mxnet,ForkedReposBak/mxnet,eric-haibin-lin/mxnet,ForkedReposBak/mxnet,szha/mxnet,zhreshold/mxnet,sxjscience/mxnet,larroy/mxnet,yajiedesign/mxnet,leezu/mxnet,reminisce/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,yajiedesign/mxnet