merge 'tag-cloud-administration' into staging

See merge request arsnova/topic-cloud!83

changes wording for consistency between creator and participant

See merge request arsnova/topic-cloud!82

Merge 'tag-cloud' into 'staging'

See merge request arsnova/topic-cloud!81

Keywords should not consist entirely of
special characters.

Add functionality to set the weight-class limition to manual or all

See merge request arsnova/topic-cloud!80

Configuration Update

See merge request arsnova/topic-cloud!79

	- #161
Fix the maximum number of Tags to be shown
	- #166

From 'tag-cloud-administration' into staging

Closes #157 and #165

See merge request arsnova/topic-cloud!77

# Conflicts:
#	src/app/components/shared/_dialogs/topic-cloud-administration/topic-cloud-administration.component.html

Change functionality for maxFontSize

Closes #161

See merge request arsnova/topic-cloud!78

Show a shortened version of the labels on smartphones when entering topic cloud

Closes #159

See merge request arsnova/topic-cloud!75