Merge pull request #58 from Elius94:Elius94/issue57

Cannot add property transition, object is not extensible

Update component and package versions

Update package.json version to 5.0.1-psv5.7.1 and remove unused import

BREAKING CHANGE! now the original library and plugins must be install…

…ed manually

Update package.json version to 4.2.3-psv5.6.0

Update package and component versions

Update dependencies and settings

Update dependencies and settings

Update react-photo-sphere-viewer version and add little planet button

updated readme