show system errors in case someone uses view.php for their login, register.. page
make variadic sortByMultiple function callable by variable
updated
missing )
hmm
Fix Ghost execution bug and multiple execution bug

http://www.concrete5.org/developers/bugs/5-6-2-1/ghost-execution-of-queuable-jobs/
http://www.concrete5.org/developers/bugs/5-6-2-1/slices-of-many-queable-jobs-could-be-executed-together/
Translate the category names of package items

Replace the unhandle method with a more translation-flavored approach
Try to translate the unhandled unhandled texts

If the category is not handled (unknown), translate the result of unhandle
in the hope that its translation is defined somewhere else.
Optimize sitemap generation

Since localcache is disabled, the collection attribute keys are loaded for
every page.
Let's cache those collection attributes...
remove BASE_URL from theme path to avoid issues with https when typography.css is loaded
Merge branch 'optimize-sitemap-generation' of https://github.com/mlocati/concrete5 into mlocati-optimize-sitemap-generation
Merge pull request #1603 from Remo/theme-base-url

remove BASE_URL from theme path
Merge pull request #1516 from JohntheFish/patch-15

Fix Ghost execution bug and multiple execution bug
better JSON response from check queue tool
Merge pull request #1417 from Remo/theme-view-fix

show system errors in view.php
Merge pull request #1420 from Remo/patch-60

make variadic sortByMultiple function callable by variable
adding docs
Merge pull request #1539 from mlocati/localize-package-items-categories

Localize package items categories
Release candidate 1
rebuilt css