Add-ons [tl] Social Groups 3.3.3

Notable changes:

• Separate nodes display in Admin CP
• Improvement to link existing albums to group
• Remove focus on invite block
• Fixed disable tabs in groups does not work as expected.

Notable changes:

• Improvement error while creating groups
• Fixed uploading new avatar in certain sizes
• Improvement event date time picker
• Fixed render bb-code group in email

@BIGT THANKS @Box

Notable changes:

• Fixed join group error