Merge branch 'hotfix/appledoc'
Merge branch 'release/1.6'
Merge branch 'develop'
Merge branch 'develop'
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Copy public headers to include/${PRODUCT_NAME}

Fixes product archiving. Using a Copy Headers build step incorrectly copies the
headers to the archive when building iOS applications for archiving. Instead,
use a Copy Files build step for public headers.
Patch level 1 (1.6.1)
Merge branch 'hotfix/1.6.1' into develop