[image_view2] Use camel case for methods and functions
Merge remote-tracking branch 'refs/remotes/origin/master' into use-camel-case-for-function
Merge remote-tracking branch 'refs/remotes/origin/master' into use-camel-case-for-function
Merge pull request #652 from garaemon/use-camel-case-for-function

[image_view2] Use camel case for function