[[ LC 6.7 GM1 ]] Tweaks to get rid of compile errors for ios 5.0 simulator/device
[[ Bug ]] Make start using <name> throw a more specific error if the stack's script won't compile.
Merge branch 'develop'
Updated submodule pointers after merging develop -> master (6.7.0).
Merge branch 'refactor' into develop
Updated submodule pointers after merging refactor -> develop (7.0.0).
[[ Bug 13770 ]] Make sure every string does not contain the emoty string
[[ Bug 13787 ]] Compute the range correctly in EndsWith before checking grapheme boundaries.
[[ Bug 13785 ]] Make sure changes to the 6.7 properties property are reflected in 7.0
[[ Bug 13783 ]] Empty should not be among the items of empty
[[ Bug 13785 ]] Corrected whitespace changes.
Remove prebuilt submodule for merge readiness.
Merge branch 'develop'

Conflicts:
	ide
	thirdparty
Update 7.0 release notes docs
[[ Bugfix 13772 ]] Use our custom-build OpenSSL libs for Linux server
[[ Bug 13784 ]] Check we have a valid bitmap before exporting
[[ Bug 13776 ]] Make sure player is attached when setting the movie filename
[[ Bug 13791 ]] Make sure we don't overrelease a stringref when doing end-of-line conversion.
[[ Bug 13780 ]] Android orientations enum should match system enum
[[ Bugfix 13776 ]] Tweaks to compile on mobile