Add release dates to ChangeLog.
Add release dates to ChangeLog.

AndroidExternal/jemalloc,wqfish/jemalloc,TeamExodus/external_jemalloc,glandium/jemalloc,TeamExodus/external_jemalloc,tempbottle/jemalloc,wqfish/jemalloc,wfxiang08/jemalloc,leebaok/jemalloc-4.2.1-readcode,Dmitry-Me/jemalloc,dxq-git/jemalloc,dcreager/jemalloc,dxq-git/jemalloc,wfxiang08/jemalloc,jemalloc/jemalloc-cmake,dcreager/jemalloc,AndroidExternal/jemalloc,Snaipe/jemalloc,CMRemix/android_external_jemalloc,Snaipe/jemalloc,jemalloc/jemalloc-cmake,tempbottle/jemalloc,CyanogenMod/android_external_jemalloc,tempbottle/jemalloc,yy-nm/jemalloc,Dmitry-Me/jemalloc,android-ia/platform_external_jemalloc,wespelee/jemalloc,kmiku7/jemalloc,cpeterso/jemalloc,Dmitry-Me/jemalloc,shekkbuilder/jemalloc,ahmetmircik/jemalloc,AndroidExternal/jemalloc,glandium/jemalloc,wespelee/jemalloc,geekboxzone/mmallow_external_jemalloc,kmiku7/jemalloc,glandium/jemalloc,wqfish/jemalloc,glandium/jemalloc,ahmetmircik/jemalloc,xin3liang/platform_external_jemalloc,leebaok/jemalloc-4.2.1-readcode,sudosurootdev/external_jemalloc,CMRemix/android_external_jemalloc,awreece/jemalloc,CyanogenMod/android_external_jemalloc,leebaok/jemalloc-4.2.1-readcode,percona/jemalloc-debian,lilothar/jemalloc,lvfeng1130/jemalloc,flyfeifan/jemalloc,android-ia/platform_external_jemalloc,CyanogenMod/android_external_jemalloc,percona/jemalloc-debian,kmiku7/jemalloc,CMRemix/android_external_jemalloc,Snaipe/jemalloc,dcreager/jemalloc,sudosurootdev/external_jemalloc,8l/jemalloc,wqfish/jemalloc,lvfeng1130/jemalloc,8l/jemalloc,vashstorm/jemalloc,TeamExodus/external_jemalloc,kmiku7/jemalloc,shekkbuilder/jemalloc,cpeterso/jemalloc,wfxiang08/jemalloc,flyfeifan/jemalloc,splbio/jemalloc,VRToxin/android_external_jemalloc,garoose/jemalloc,Dmitry-Me/jemalloc,xin3liang/platform_external_jemalloc,wfxiang08/jemalloc,sudosurootdev/external_jemalloc,awreece/jemalloc,ahmetmircik/jemalloc,awreece/jemalloc,VRToxin/android_external_jemalloc,AndroidExternal/jemalloc,geekboxzone/mmallow_external_jemalloc,vashstorm/jemalloc,lvfeng1130/jemalloc,percona/jemalloc-debian,flyfeifan/jemalloc,wespelee/jemalloc,vashstorm/jemalloc,splbio/jemalloc,lilothar/jemalloc,yy-nm/jemalloc,geekboxzone/mmallow_external_jemalloc,CMRemix/android_external_jemalloc,awreece/jemalloc,jemalloc/jemalloc-cmake,wqfish/jemalloc,xin3liang/platform_external_jemalloc,garoose/jemalloc,geekboxzone/lollipop_external_jemalloc,jemalloc/jemalloc-cmake,vashstorm/jemalloc,garoose/jemalloc,percona/jemalloc-debian,garoose/jemalloc,yy-nm/jemalloc,tempbottle/jemalloc,VRToxin/android_external_jemalloc,dxq-git/jemalloc,shekkbuilder/jemalloc,geekboxzone/mmallow_external_jemalloc,TeamExodus/external_jemalloc,yy-nm/jemalloc,android-ia/platform_external_jemalloc,leebaok/jemalloc-4.2.1-readcode,VRToxin/android_external_jemalloc,shekkbuilder/jemalloc,cpeterso/jemalloc,8l/jemalloc,xin3liang/platform_external_jemalloc,android-ia/platform_external_jemalloc,lvfeng1130/jemalloc,ahmetmircik/jemalloc,cpeterso/jemalloc,splbio/jemalloc,geekboxzone/lollipop_external_jemalloc,dxq-git/jemalloc,lilothar/jemalloc,geekboxzone/lollipop_external_jemalloc,8l/jemalloc,sudosurootdev/external_jemalloc,geekboxzone/lollipop_external_jemalloc,lilothar/jemalloc,Snaipe/jemalloc,CyanogenMod/android_external_jemalloc,flyfeifan/jemalloc,wespelee/jemalloc