ignore some eclipse config files
ignore some eclipse config files

update git ignore file，just to ignore eclipse config files ( .project,
.classpath etc)

mlc0202/cobar,xiaomizhg/cobar,liuxinglanyue/cobar,yidaimi/cobar,logcos/cobar,simplechen/cobar,liuxinglanyue/cobar,simplechen/cobar,lindzh/cobar,yuzhu712/cobar,sawyer2011/cobar,elijah513/cobar,logcos/cobar,lindzh/cobar,E312232595/cobar,xiaomizhg/cobar,sforce100/cobar,simplechen/cobar,lindzh/cobar,ys305751572/cobar,ys305751572/cobar,karlchan-cn/cobar,fjlinhua/cobar,logcos/cobar,fengshao0907/cobar,yidaimi/cobar,fengshao0907/cobar,xujianhai/cobar,xujianhai/cobar,liuxinglanyue/cobar,karlchan-cn/cobar,sforce100/cobar,fengshao0907/cobar,sawyer2011/cobar,E312232595/cobar,E312232595/cobar,mlc0202/cobar,czd327917086/cobar,karlchan-cn/cobar,treejames/cobar,xujianhai/cobar,yuzhu712/cobar,yidaimi/cobar,elijah513/cobar,treejames/cobar,ys305751572/cobar,elijah513/cobar,fjlinhua/cobar,mlc0202/cobar,fjlinhua/cobar,xiaomizhg/cobar,treejames/cobar,yuzhu712/cobar,sawyer2011/cobar,czd327917086/cobar,sforce100/cobar,czd327917086/cobar