Update to rc2

Update Demo to V1.0.42

Update to V.1.0.41

imnapo#74 imnapo#85

Update to V1.0.40

Update to 1.0.38

imnapo#62

Updat to 1.0.37

imnapo#56 add placeholder

Merge branch 'master' of https://github.com/imnapo/react-native-cn-ri…

…chtext-editor

Update to 1.0.34

imnapo#36 imnapo#43 imnapo#35 imnapo#21

Merge pull request imnapo#32 from jsamr/style-props

Provide styles props to CNRichTextEditor and CNToolbar

Merge pull request imnapo#29 from jsamr/image-component

Add support for ImageComponent prop