fix gravity description
add limit of vars
fix bug which object-c sdk icon hide in download page
android sdk
Merge pull request #221 from forrest-mao/doc/developer

fix gravity description
Merge pull request #222 from SunLn/fix_ios_icon_not_show_bug

fix bug which object-c sdk icon hide in download page
Merge pull request #223 from longbai/new-android

android sdk
sdk document
Merge pull request #224 from longbai/new-android

sdk document
format
Merge pull request #225 from longbai/new-android

format
Update saveas.md
add $(uuid)
Merge pull request #226 from zheniantoushipashi/patch-1

Update saveas.md
Merge pull request #228 from SunRunAway/patch-1

add $(uuid)
dpi
Merge pull request #229 from queniao/font_size_dpi

dpi
Merge pull request #227 from simon-liubin/master

添加合并文件个数限制
隐藏 访问持久化处理的结果（p）
Merge pull request #230 from rwifeng/list_show

隐藏 访问持久化处理的结果（p）