Propagate viewportFraction when pageController is not used

[ljsalvatierra]

First, thank you for this awesome widget!
In my case i wanted to show more elements in the view. Hope this help someone.

[coveralls]

Pull Request Test Coverage Report for Build 26

• 1 of 2 (50.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 47.931%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
lib/transformer_page_view.dart	1	2	50.0%

Totals
Change from base Build 25:	0.01%
Covered Lines:	139
Relevant Lines:	290

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💛 - Coveralls

[cabbage217]

First, thank you for this awesome widget!
In my case i wanted to show more elements in the view. Hope this help someone.

Have you solved this problem? How?