* small optimization for getTeamIDs

* rename getOrgTeamIDs to getUserTeamIDs and remove orderby

This change corrects a few logging issues:

 * Standardized formatting errors with '%v'.
 * Standardized failure warning word usage.
 * Corrected an instance of using the standard log library when
   the gitea log library should be used instead.

Breaks the retrieval of repositories into two queries
This fetches the paged ids in one go, then the
actual repository information in a second query

Some databases do not support SELECT with *
when group by is used.

* restrict creating organizations based on right on user

* revert bindata.go

* reverse vendor lib

* revert goimports change

* set AllowCreateOrganization default value to true

* revert locale

* added default value for AllowCreateOrganization

* fix typo in migration-comment

* fix comment

* add coments in migration

* Remove unused custom-alphabet feature of random string generator

Fix random string generator

Random string generator should return error if it fails to read random data via crypto/rand

* Fixes variable (un)initialization mixed assign
Update test GetRandomString

- Update import paths from github.com/go-gitea to code.gitea.io
- Fix import path for travis

See https://docs.travis-ci.com/user/languages/go#Go-Import-Path

Both are possible on explore and admin panel

Use hand-written SQL to do complex query

Also fix that no matter who, still able to see organizations with private membership.