[[ CoreText ]] Added support custom font loading.
[[ CoreText ]] Updated font creation routines in an effort to remove warning on 10.9.
[[ CoreText ]] Updated text drawing to take into account extra width required by italic fonts.
[[ Bugfix 12612 ]] Change block layout to use floating-point
[[ Bugfix 12612 ]] Add bugfix note
[[ CoreText ]] Updated docs note to add info about symbol fonts.
[[ Bug 12567 ]] Connecting to an HTTPS URL via a proxy fails if libURLSetVerification is true.
[[ Bug 12567 ]] Tweaked feature note.
Merge branch 'feature-coretext' of https://github.com/runrevmichael/livecode into feature-coretext
Merge branch 'bugfix-12612' of https://github.com/runrevfraser/livecode into bugfix-12612
Merge remote-tracking branch 'origin/release-6.6.3' into develop
Merge remote-tracking branch 'origin/bugfix-12567' into develop

Conflicts:
	engine/src/executionerrors.h
Merge remote-tracking branch 'origin/feature-coretext' into develop