Merge pull request #41 from Nurego/michael-dev

Better support for dual plans
Merge pull request #42 from Nurego/michael-dev

Display monthly/yearly when display_switch false
Merge pull request #43 from Nurego/michael-dev

[Fix] Plan price styling (color and size)
Merge pull request #44 from Nurego/michael-dev

Add display_period flag
set default flag to true for display_period