#2128 -  Sort missions list
New table widget with column sort support
SmartTable: added ui:Label as a default widget for cells. Now user has no need to specify widgets if he's okay with Labels in table.
Stable sort.
update bundled Lua to version 5.2.2

5.2.2 is a bug-fix release; everything should still work the same way.
Merge pull request #2183 from UncleVasya/Mission_list_sort

Solution for #2128 -  Sort missions list
Merge pull request #2230 from johnbartholomew/lua-522

Update bundled Lua to version 5.2.2
Update Changelog.txt
Update Changelog.txt
Merge remote-tracking branch 'origin/master' into Xcode