* Revert "merging buttons fix"

This reverts commit 74077bbc55.

* Revert "fix undefined buttons"

This reverts commit e3b4d15a06.

* Revert "fix e2e"

This reverts commit 05b3f5808f.

* Revert "Handle merge buttons style"

This reverts commit 9c705402eb.

* Add background component with MATCH_PARENT height

* temporary solution for merging button color

This commit introduces two temporary options to control button colors
* rightButtonColor
* leftButtonColor

These options can be used to color buttons. Colors defined in buttons take
precedence over these two options.

* Get buttonColor options from resolved options

* leftButtonColor & rightButtonColor support - iOS

* Disabled color

* disabled buttons color support

* Rebase fixes

* empty commit