CS-5818: Problem with links in emails of invitation from calendar

Fix description: re-use variable gatein.email.domain.url of KS project to config hostname in calendar email notification.
CS-5870: Problem in ChatBar when user name contains capital letter

Fix description: add function encodeUserName to bypass the limitation of sensitive username of Openfire
CS-5476: [Calendar] RSS Feed: tool tips use Key

Fix description: use label defined in resource bundle for Add Calendar, Reset URL and Generate URL.
CS-5476: [Calendar] RSS Feed: tool tips use Key

Fix description: use label defined in resource bundle for Delete icon.
CS-5476 [Calendar] RSS Feed: tool tips use Key
Merge branch 'fix/2.2.x/CS-5476' into stable/2.2.x
[CS-5804] Minor change
[CS-5804] Fix French not translated label
[CS-5804] Fix French not translated label
CS-5804 French label missing in the calendar
Merge branch 'fix/2.2.x/CS-5804' into stable/2.2.x
CS-5879: Update the SPACE_URL removal in Calendar portlet

Fix description:
	- Get Space url in Calendar porlet in using new method from SOC instead of using SPACE_URL preference
CS-5879: Remove redundant log info
CS-5879: Update the SPACE_URL removal in Calendar, Contact portlet

Fix description
	- Get space name directly from context instead of from SPACE_URL