OO-1658: update contexthelp pages

src/main/java/org/olat/commons/calendar/_chelp/course-calendar.html

 <p>$r.translate("chelp.cal14")</p>
 <p>$r.translate("chelp.calT")</p>
-<p>$r.translate("chelp.cal2b") $r.contextHelpRelativeLink("org.olat.core.commons.services.notifications.ui", "home-notifications.html").</p>
+<p>$r.translate("chelp.cal2b") $r.contextHelpRelativeLink("Personal Menu#_abonnements ").</p>
 <p>$r.translate("chelp.cal5") $r.translate("chelp.cal6")</p>
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src/main/java/org/olat/commons/calendar/_chelp/personal-calendar-details.html

- <br/>
-<b>$r.translate("cal.form.chooseCalendar"):</b> $r.translate("chelp.cal7")
-<br />
-<br />
-<b>$r.translate("cal.form.class"):</b> $r.translate("chelp.cal8") $r.translate("chelp.cal9")
-<br />
-<ul>
-<li><i>$r.translate("cal.form.class.private")</i>: $r.translate("chelp.cal10")</li>
-<li><i>$r.translate("cal.form.class.freebusy")</i>: $r.translate("chelp.cal11")</li>
-<li><i>$r.translate("cal.form.class.public")</i>: $r.translate("chelp.cal12")</li>
-</ul>
-
-<br />
-$r.translate("chelp.cal13")

src/main/java/org/olat/commons/calendar/ui/_content/calEditDetails.html

 <fieldset>
 	<legend>#if ($caller == "home")
-		$r.contextHelpWithWrapper("org.olat.commons.calendar","personal-calendar-details.html","help.hover.personalcal.date")
+		$r.contextHelpWithWrapper("Calendar")
 	#elseif ($caller == "course")
 		$r.contextHelpWithWrapper("org.olat.commons.calendar","course-calendar-details.html","help.hover.coursecal.date")
 	#elseif ($caller == "collab")
 		$r.contextHelpWithWrapper("org.olat.commons.calendar","group-calendar-details.html","help.hover.cal")
 	#elseif ($caller == "profile")
-		$r.contextHelpWithWrapper("org.olat.commons.calendar","personal-calendar-details.html","help.hover.cal")
+		$r.contextHelpWithWrapper("Calendar")
 	#end
 	$r.translate("cal.form.title")</legend>
 	

src/main/java/org/olat/group/ui/edit/BusinessGroupEditAccessController.java

@@ -74,7 +74,7 @@ public class BusinessGroupEditAccessController extends FormBasicController {
 	protected void initForm(FormItemContainer formLayout, Controller listener, UserRequest ureq) {
 		setFormTitle("accesscontrol.title");
 		setFormDescription("accesscontrol_group.desc");
-		setFormContextHelp(AccessConfigurationController.class.getPackage().getName(), "accesscontrol_group.html", "chelp.accesscontrol_group.hover");
+		setFormContextHelp("Group Administration#gruppensystem_buchung_ag");
 
 		if(configController != null) {
 			formLayout.add(configController.getInitialFormItem());

src/main/java/org/olat/group/ui/edit/_chelp/grp-resources.html

-<p>$r.translate("chelp.resource1")</p>
-<p>$r.translate("chelp.resource2")</p>
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src/main/java/org/olat/group/ui/edit/_content/tab_bgResources.html

 <fieldset>
 	<legend>
-		$r.contextHelpWithWrapper("org.olat.group.ui.edit","grp-resources.html","help.hover.bgGrpResources")
+		$r.contextHelpWithWrapper("Group Administration#_gruppensystem_embed_course")
 		$r.translate("fieldset.legend.resources")</legend>
 	<div class="o_button_group o_button_group_right">
 		$r.render("cmd.addresource")

src/main/java/org/olat/resource/accesscontrol/ui/_chelp/accesscontrol_group.html

-<p>$r.translate("chelp.accesscontrol_group.intro")</p>
-<p>$r.translate("chelp.accesscontrol_group.access")</p>
-<p>$r.translate("chelp.accesscontrol_group.methods")</p>
-<div class="o_access_create">
-	<ul>
-		<li><b><i class="o_icon o_ac_free_icon o_icon-lg"></i> $r.translateWithPackage("org.olat.resource.accesscontrol.provider.free.ui","free.method")</b>: $r.translate("chelp.accesscontrol_group.method.free")</li>
- 		<li><b><i class="o_icon o_ac_token_icon o_icon-lg"></i> $r.translateWithPackage("org.olat.resource.accesscontrol.provider.token.ui","token.method")</b>: $r.translate("chelp.accesscontrol_group.method.token")</li>
- 		<li><b><i class="o_icon o_ac_paypal_icon o_icon-lg"></i> $r.translateWithPackage("org.olat.resource.accesscontrol.provider.paypal.ui", "paypal.method")</b>: $r.translateWithPackage("org.olat.resource.accesscontrol.provider.paypal.ui", "chelp.accesscontrol_group.method.paypal")</li>
-	</ul>	
-</div>
-<p>$r.translate("chelp.accesscontrol_group.dates")</p>
-<p>$r.translate("chelp.accesscontrol_group.manual")</p>
-<p>$r.translate("chelp.accesscontrol_group.delete")</p>
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