Merge pull request #315 from vytux-com/master

GM use https for SV
Fix #314 - charts menu, remove sub-sub-menu for favorites
Fix: GEDCOM tag needs to be change #316
Update third-party libraries
Remove dead code
Remove unused globals
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void function result used; tidy up
Simplify some convoluted code
Remove calls to deprecated get_sub_record()
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Inline a single-use function
PHPDoc and tidy up
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