* 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

* pass props for topBar background component

* refactored custom components

* pass props for topBar background component

* refactored custom components

* refactored RNNOptions object

* Use margin to control component position relative to TopBar

RelativeLayout rules caused excessive CPU usage due to issues with RN's
keyboard detection mechanism (based on global layout listener)

* Skip custom transition e2e on Android

* Improved the clarity of the top-level API doc (#2984)

I clarified some of the language here so that it is easier for the beginner to understand. (It was a little bit awkward before)

* Increase gradle daemon process memory

* Disable Orientation test on Android

* Fix SideMenu e2e

* Fix popTo

* Use margin instead of RelativeLayout rules to align component to BottomTabs

Rules caused excessive CPU usage due to RN issue with global layout listener
and keyboard visibility detection.

* Update README.md

for triggering build

* Update README.md

* Consolidate pop and animatePop

* Update top-level-api.md ... more copyediting. (#3002)

Further clarification of some of the top level API stuff.

* popTo animates top screen

* Refactor component options on Android

* Stop processing passProps from options

* removed comments

* v2-customButtons

* Update RNNRootViewController.m

* refactored navigation options

* test fix

* better namings