[IM] Hidding private Vlans then adding adding IPv4 or IPv6 addresses
[IM] Adding Mark All As Read Button in customer unread notes list
[NF] Adding auth email plain text templates
Merge branch 'master' into im-various

Conflicts:
	application/views/auth/email/plaintext/lost-password.txt
	application/views/auth/email/plaintext/lost-username.txt
	application/views/auth/email/plaintext/reset-password.txt
[IM/CR] Typos and better naming
Merge branch 'im-various'
[BF] Small bug fix in "mark all notes as read"
Changelog and version bump
[IM] If adding a new admin user, ensure they start with no notes pending
[IM] Switch to escapeshellcmd() from escapeshellarg() in mailing list password sync

This was causing issues for LONAP and this is just a test at a fix.

Also add -p noexec=1 option to print commands to stdout rather than exec()'ing them.
[IM] Reverting "Switch to escapeshellcmd() from escapeshellarg() in mailing list password sync" - no effect
Merge branch 'master' of https://github.com/inex/IXP-Manager into production