fix https://github.com/daviferreira/medium-editor/issues/187
Merge pull request #200 from OmniaGM/fix-rendering-paste-html

fix "Paste html code will be rendered to real DOM element"
Merge with latest changes
1.8.0
changes to the element list or element selector now take effect on reactivation
missed a comma
changed innerHTML to textContent to prevent XSS through twisted href values
Removes unused elementSelection option, fixes variable naming convention
On paste, check for data-disable-return on element

In every other location where you check disableReturn on the options you check the data on the element too. It was missing in the pasteWrapper.
Merge pull request #208 from sarahjsquire/patch-1

On paste, check for data-disable-return on element
Updates dist files
Added disableEditing option

Useful when custom buttons, allows using the toolbar only.
Merge pull request #213 from cdolek/disable-editing

Added disableEditing option
Updates test and dist files to reflect new disableEditing option
Adds disableEditing tests
merge