Jetpack Sync Package: name-spaced classes for sync module

[roccotripaldi]

Each module in the Jetpack sync package needs a name-spaced class, like the attachments and callable modules for example.

Please assign yourself a module by writing your github username next to the corresponding module in the list:

• Attachments @tyxla Sync: PSR-4 the Attachments sync module #12707
• Callables @tyxla Sync: PSR-4 the Callables sync module #12710
• Comments @gititon Jetpack DNA: Move Sync Comments Module from Legacy to psr-4 #12734
• Constants @gititon Jetpack DNA: Move Sync Constants Module from Legacy to PSR-4 #12769
• Full Sync @gititon Jetpack DNA: Move Full Sync Module from Legacy to PSR-4 #12768
• Import @gititon Jetpack DNA: Move Sync Import Module from Legacy to psr-4 #12740
• Menus @gititon Jetpack DNA: Move Sync Menus Module from Legacy to PSR-4 #12743
• Meta @tyxla Sync: PSR-4 the Meta sync module #12724
• Network Options @roccotripaldi Sync Package: Moves the Network Options sync module #12766
• Options @roccotripaldi Sync Package: Moves the Options sync module  #12736
• Plugins @roccotripaldi Sync Package: Moves the Plugins sync module #12726
• Posts @gititon Jetpack DNA: Move Sync Posts Module from Legacy to PSR-4 #12735
• Protect @roccotripaldi Sync Package: Moves the Protect sync module #12816
• Stats @gititon Jetpack DNA: Move Sync Stats Module from Legacy to psr-4 #12742
• Terms @tyxla Sync: PSR-4 the Terms sync module #12725
• Themes @roccotripaldi Sync Package: Moves the Users and Themes sync module #12737
• Updates @gititon Jetpack DNA: Move Sync Updates Module from Legacy to PSR-4 #12746
• Users @roccotripaldi Sync Package: Moves the Users and Themes sync module #12737
• Woo Commerce @gititon Jetpack DNA: Move WooCommerce Sync Module from Legacy to psr-4 #12772
• WP Super Cache @lezama Sync: PSR-4 the wp-super-cache sync module #12722

[gravityrail]

Nice work! This is done.