Merge pull request legalthings#16 from legalthings/webviewer-load-emp…

…ty-src

Allow loading the webviewer with empty src

Merge pull request legalthings#10 from tmcdos/master

Upgrade viewer to PDF.js v1.6.210

Merge pull request legalthings#7 from legalthings/fix-css

Make css valid by removing unnecessary .pdf

Merge pull request legalthings#6 from legalthings/upgrade-instructions

Upgrade instructions

Merge pull request legalthings#5 from legalthings/load-worker-xhr

Fixup guessing worker url if none was set

Merge pull request legalthings#4 from legalthings/load-worker-xhr

Load worker script via XHR and init global scope at the right time

Don't load pdf on file dialog

Added printContainer en mozPrintCallback-shim

If a new overlay is added with the same name overwrite is.

Only throw an error is the existing layer is active and can therefor not be removed.

Check if .pdfHistory exists before using it