Add xstatic method and rename xadmin tag to xadmin_tag.
Add vendors static files and xadmin static files.
Ignore static components dir.
Delete hidden files.
Add Jquery xstatic.
Method xstatic accept multi tags.
Setup vendors xstatic conf.
Update base.html use xstatic tag.
Update bower componment name.
[by: 法师] Add icons for build-in model.
Update vendors static files config.
User ``vendor`` method get widgets Media.
User AdminSelectWidget replace Select widget and remove ``select2`` files force import.
Update multiselect widget use vendor utils
Fix new version vendor widgets bugs
Add new vendor widgets.
Delete unuse js files.
Remove Hidden files.
Add bootstrap-modal vendor.
Merge pull request #7 from sshwsfc/xstatic

Merge Xstatic branch