Make plugin play nice with multiple instances
Make plugin play nice with multiple instances

Modified plugin initialization and style injection to work with multiple Readmore instances.

The 'speed' option can/should vary from instance to instance. This change allows that variation, rather than only using the first speed setting from the first instance.

jedfoster/Readmore.js,daveleee/Readmore.js,jedfoster/Readmore.js,daveleee/Readmore.js