[CHANGELOG] Update for 1.8.0 beta 2015.04.01
[CHANGELOG] Update for 1.8.0 beta 2015.04.01

orta/eigen,ayunav/eigen,1aurabrown/eigen,sarahscott/eigen,neonichu/eigen,ashkan18/eigen,zhuzhengwei/eigen,ichu501/eigen,sarahscott/eigen,ichu501/eigen,TribeMedia/eigen,ayunav/eigen,ayunav/eigen,Havi4/eigen,TribeMedia/eigen,liduanw/eigen,Shawn-WangDapeng/eigen,ACChe/eigen,srrvnn/eigen,1aurabrown/eigen,mbogh/eigen,TribeMedia/eigen,foxsofter/eigen,1aurabrown/eigen,artsy/eigen,srrvnn/eigen,TribeMedia/eigen,ACChe/eigen,orta/eigen,zhuzhengwei/eigen,Havi4/eigen,foxsofter/eigen,1aurabrown/eigen,artsy/eigen,mbogh/eigen,Shawn-WangDapeng/eigen,artsy/eigen,gaurav1981/eigen,sarahscott/eigen,neonichu/eigen,ACChe/eigen,ayunav/eigen,liduanw/eigen,ACChe/eigen,artsy/eigen,liduanw/eigen,orta/eigen,xxclouddd/eigen,mbogh/eigen,Havi4/eigen,foxsofter/eigen,ashkan18/eigen,xxclouddd/eigen,foxsofter/eigen,artsy/eigen,zhuzhengwei/eigen,ashkan18/eigen,ppamorim/eigen,ppamorim/eigen,srrvnn/eigen,sarahscott/eigen,liduanw/eigen,xxclouddd/eigen,mbogh/eigen,neonichu/eigen,neonichu/eigen,liduanw/eigen,xxclouddd/eigen,artsy/eigen,ichu501/eigen,ayunav/eigen,ppamorim/eigen,Shawn-WangDapeng/eigen,gaurav1981/eigen,ACChe/eigen,Shawn-WangDapeng/eigen,artsy/eigen,neonichu/eigen,Havi4/eigen,foxsofter/eigen,srrvnn/eigen,gaurav1981/eigen,srrvnn/eigen,ppamorim/eigen,ashkan18/eigen,xxclouddd/eigen,ashkan18/eigen,zhuzhengwei/eigen,orta/eigen,ichu501/eigen,Shawn-WangDapeng/eigen,ichu501/eigen,gaurav1981/eigen,gaurav1981/eigen,TribeMedia/eigen