Merge pull request easemob#139 from zhangsong890/sdk3.0-chat-logic

EaseUI相关问题修改

Merge pull request easemob#139 from zhangsong890/sdk3.0-chat-logic

EaseUI相关问题修改

Merge pull request easemob#134 from lzan13/conferenceDev

Conference dev

Merge pull request easemob#130 from zhangsong890/branch-gcm-update

GCM upgrade to FCM

Merge pull request easemob#122 from Sulexicon/sdk3.0_newRecall

fix crash bug of some device

Merge pull request easemob#112 from lzan13/searchdev

fix easeui contact and conversation list search bug

Merge pull request easemob#103 from greenmemo/fix_build2

fix build

Merge pull request easemob#93 from githubzhaoliang/sdk3.0

add callback for user enter/quit group.

Merge pull request easemob#90 from greenmemo/group_reform_squash

fix conversation unread

add contact lisntener in chat fragment