Merge pull request #556 from liaoxuezhi/dev

Dev
修改测试用例
[BugFix] 修复show,hide对于block元素强制设定为inline的错误
Merge pull request #557 from linlingyu/dev

[BugFix] 修复show,hide对于block元素强制设定为inline的错误
[Change] 开放cssHook，cssNumber，增加setPositiveNumber
Merge pull request #558 from linlingyu/dev

[Change] 开放cssHook，cssNumber，增加setPositiveNumber
Merge remote-tracking branch 'upstream/dev' into dev
[BugFix] 修复了show的一个错误
Merge pull request #559 from linlingyu/dev

[BugFix] 修复了show的一个错误
Merge remote-tracking branch 'upstream/dev' into dev
[Bugfix] show的一个bug
Merge pull request #560 from linlingyu/dev

[Bugfix] show的一个bug
Merge remote-tracking branch 'upstream/dev' into dev
代码优化
代码优化
[BugFix] 修改cssHook对padding和borderWidth进行负值处理
Merge pull request #561 from linlingyu/dev

[BugFix] 修改cssHook对padding和borderWidth进行负值处理
Merge remote-tracking branch 'upstream/dev' into dev
代码优化