Merge changes from origin/7.1

Merge changes from origin/7.1

4f3e81a Use <code> instead of {@code} for sample containing { and } (#12311)
c7a48ae Delay sending DateField popup value to server until popup is closed #6252
dc491a4 Reset waitingForFilteringResponse flag to false inside onBlur (#12325)
4fb775a Fixed a typo in FieldGroup.isModified() JavaDoc. (#12172)
aa47197 Add a chapter on installing IvyDE (for #12359)
eaec281 GWT requires max 1.6 compiler compliance level currently - #12345
f72be69 Terminate JVM if server.close() has no effect (#12363)
36413cb Make sure that no fileIds are replayed to the client (#12330)
7182665 Fix scrollbar for Window under WebKit browsers (#11994)
61dbe9c Search only remaining message for delimiter (#12404)
b5a212a Report min and max times from Profiler (#12409)
7220ca8 Fixed DragAndDropWrapper using wrong drop target in IE8 #12406
c87772b Escape markup in CustomLayout's JavaDoc (#12410)
f5b67af Optimize ComputedStyle.getIntProperty() (#12411)
0473036 Add more detailed profiling for some client side hotspots (#12418)
7dfe5ae Fixed test broken by fixes to drag&drop #12406
234ed1c Fixed test broken by PopupDateField communication change #6252
c7a8c3f Fixed failing TabKeyboardNavigation test #12433
fac9ff6 Optimize resetting of state when detaching components (#10899, #11284)
af995de Optimize large Vertical/HorizontalLayout client side (#12420, #10899)
39fd5fc Fix bug for spacing on first widget (#12420)
bd4442b Fixed broken test due to changes in drop position by #12406
b83240f Optimize CssLayout hierarchy update (#11284)
a52b286 Added controlDirective to ifContentStatement. Fixes ticket #12105.
8ce45c7 Disable slow sanity check when not in debug mode (#12463)
232eb42 Enable use of profiler without debug window (#12465)
6dc46c5 Use the add() path of CssLayout only when appending to the end (#11284)
bea7fa3 Only consider caption tooltips for own slots (#12469)
dce63d1 Allow creating session for Portlet UI init request (#12473)
ad669c3 Adds junit to the ide configuration for the theme-compiler module.

Change-Id: Icd734d6849cc4f4014e1268f4fabe1ed92f72e38