Merge changes from origin/7.1

0d3c35b Forces redraw in IE 8 when table does post layout. (#12687)
533ddcd Fixed lost scrollLeft when row count changed in Table (#12652).
c351b64 Revert "Make Panel scroll the correct div (#12736)" Revert "Reverted change in how hack works (#12727, #12736)" Revert "Fixes the handling of the scroll position of a Window (#12736)" Revert "Recovering scroll position after regression problems. (#12727)" Revert "Ticket #12727 - Panels get unnecessary scroll bars in WebKit when content is 100% wide."
2e3e877 Fix scroll position handling in Window Webkit hack (#12736)
6b38173 Adds JBoss EAP 6 server to integration test suit (#12908)
e933562 Minimal fix for error handling with streaming (#12578)
1385857 Do not apply fix on mobile devices or devices without scrollbars (#12736)

Change-Id: I1e620342c936ea23eacd2082a0a92b15e453b924

diff --cc client/src/com/vaadin/client/ui/VScrollTable.java
Simple merge

diff --cc client/src/com/vaadin/client/ui/VWindow.java
Simple merge

diff --cc client/src/com/vaadin/client/ui/table/TableConnector.java
Simple merge