[ticket/243] Move js files to assets folder and add getscrollbarwidth

B3P-243
[ticket/243] Remove msie check as it's not supported anymore and fix call

B3P-243
[ticket/243] Fix paths to javascript files

B3P-243
[ticket/243] Fix responsive layout of portal

B3P-243
[ticket/243] Pass module_classname in confirm_box

B3P-243
Merge pull request #384 from marc1706/ticket/243

[ticket/243] Improve portal responsiveness