version to 0.9.1

turn off admin.createPrivateNamespace.switch by default

fix text namespace diff view when releaseId is provided in url

fix app builder owner name field assignment

refactor httputil error stream handling

clear http response inputstream and errorstream to reuse connection.

write builder function for entity App and optimization some null judge

optimize textarea editor by ace framework

update hujiang logo

add known user huliang

Add callback to defferdResult before putting to the map