Merge pull request #4207 from miramir/patch-1

Asterisk in Oracle not need quote
translated behaviors
Finished extension and third-party lib usage guide [skip ci]
Guide-zh-CN/concept-components.md proofread.Adjust line breaking; modified some words may cause confusing or distracting such as '屌，屌爆了，俩货，高大上，呀呀，妥妥的'.
Merge pull request #13 from AbrahamGreyson/master

Guide-zh-CN/concept-components.md proofread.Adjust line breaking; modifi...
Removing unnecessary methods
Move CORS documentation from REST to Structure
Typo fixed. [skip ci]
Retriev quoteSimpleTableName
fix unnecessary diff
First proofread. [skip ci]
Merge pull request #14 from AbrahamGreyson/master

proofread.
Initial edits
Edited aliases
Merge pull request #4210 from miramir/oci_schema

Removing unnecessary methods
IdentityInterface::findIdentity should return active users

```
interface IdentityInterface
{
    /**
     * Finds an identity by the given ID.
     * @param string|integer $id the ID to be looked for
     * @return IdentityInterface the identity object that matches the given ID.
     * Null should be returned if such an identity cannot be found
     * or the identity is not in an active state (disabled, deleted, etc.)
     */
    public static function findIdentity($id);
```
Merge pull request #4216 from SDKiller/patch-3

IdentityInterface::findIdentity should return active users
else if → elseif
phpdoc code
Fix unused var