HSTTWO-3216: Backport [7.9] Upgrade freemarker to 2.3.22
- also adjust for minor Freemarker method signature change in HstFreeMarkerServlet (HST)
- remove unneeded overrides in downstream modules

CMS7-8891: Replace font-awesome icons with hippo-icons

CMS7-8529: use 'translate' instead of 'getString'

HSTTWO-3210: Upgrade freemarker to 2.3.22
- also adjust for minor Freemarker method signature change

HIPPOTHEME-63: adding the JIRA issue for good measure

CMS7-8896: add positioning to stacked icons and use it to render proper stacked icons in various places

Kudos to abogaart for the initial patch.

HIPPOTHEME-56: Add carousel to demo page

CMS7-8940: backport - retained feedbacks messages after ping/ajax calls
- Set wicket app not to cleanup feedbacks after each cycle
- Manually clear feedbacks at EditorForm prior #process()
- Use wicket event notification to update feedbackpanel at EditPerspective upon changes in YuiDateTimeField
- Redraw feedback panel at EditPerspective upon events either from wicket events or CMS validation eve (IValidationListener#onValidation)

CMS7-8869: merge from trunk. 52235 to 52383

CMS7-8869: merge from trunk. r52161 to r52233

ARCHE-16 move folders to getting started

CHANNELMGR-134: Match the format that removed the foreground

CHANNELMGR-134: Updated icons to suit the new standard

RD-2776: fix the actual test

CMS7-8933: bumping angularjs to 1.3.15

ARCHE-16 and also the display name correct

ARCHE-426 "Oops! ...I Did It Again" yeah yeah yeah yeah yeah Yeah yeah yeah yeah yeah yeah

CMS7-8528: rearranging the less file a bit

HIPPOTHEME-68: remove the need for location="foreground" on stacked Hippo icons

CMS7-8896: easier dragging of horizontal scrollbar in dialog windows

HSTTWO-1003 trivial code cleanup: clean null value handling

CMS7-8896: fix doclist sorting indicators

ESSENTIALS-579: Improve interactive installation.

CMS7-8527: restyling the todo section of the dashboard
- added a dedicated link rendering wicket component
- updating the EN and NL properties files to have proper sentences
- updating the FR and DE properties files to have at least the correct class for each span

CMS7-8949: refactored validators, fixed sns for renaming offline document from DocEditor menu

RD-2776: fix broken build temporarily

CMS7-8949: refactored RenameDocumentDialog to reuse NameUriField

CMS7-8896: icon fixes
  - Save&Close icon becomes completely blue on hover
  - (schedule)(de)publication icons have correct enabled/disabled colors again

ESSENTIALS-579: Improve introduction page, add full switch templates support for interactive installation.

CMS7-8949: fixes to prevent same-name-siblings folder/document creation:
- Prevented to create/rename a folder/doc with either uri-name or localized-name existed before
- Refactored AddedDocumentDialog to reuse NameUriField

CMS7-8891: Replace font awesome icons with hippo icons

CMS7-8896: Add black to fill and colors, add default styling for check-circle, minus-circle and exclamation triangle, update examples

ESSENTIALS-579: Fix tests, make code more robust.

CMS7-8896: Updated icon reference

ESSENTIALS-579: Improvements to the switch templates infrastructure.

CMS7-8891: Get location and position class definitions out of the watch function

CMS7-8891: Remove generic spinner effect, apply it to the spinner icon only, add spinner icon to hippo-theme demo page

CMS7-8896: Re-add icon with overlays

CMS7-8528: Added flex box to align items in center and have a nice text wrap for long text in a small box
 - removed old goto css

CMS7-8896: improve hippo-icon documentation

CMS7-8530: Tweaked padding to make it look like design
- added line-height to fix ugly rendering of SVG (at least on FF)

CMS7-8896: Remove fills where needed to be able to color backgrounds with fill style

CMS7-8896: Remove stacked icons, we can stack them with hippo-stack directive or in the cms with java

CMS7-8474: Fix to prevent the path /hippo:namespaces to open a new tab

CHANNELMGR-134: Updated icons to suit the new standard

CMS7-8896: Remove borders in exclamation triangle icon

CMS7-8953: prepare for next development iteration

CMS7-8953: prepare release jcrdiff-1.02.04

CMS7-8427: Added new styling and more robust wizard steps

HIPPLUG-1037 updated gallery picker plugin