[0.46.0-rc.2] Bump version numbers

[0.45.1] Bump version numbers

[0.45.1] Bump version numbers

[0.46.0-rc.1] Bump version numbers

[0.46.0-rc.0] Bump version numbers

[0.45.0] Bump version numbers

[0.45.0-rc.3] Bump version numbers

[0.44.3] Bump version numbers

[0.43.5] Bump version numbers

Clarify pros/cons on different navigation libraries

Summary: Closes facebook#14292

Differential Revision: D5165551

Pulled By: hramos

fbshipit-source-id: a50c1c1eb8d4e7de619b73e1baf621dc11e00abc