Update ChangeLog for 2.2.5.
Update ChangeLog for 2.2.5.

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