Fixed bug 10861 - ensure layer property is signalled when 'relayer' command executed.
Updated version number to 6.0.1-rc-1 1512.
Updated builder stacks to handle commercial and community builds.
Merge branch 'bugfix-10861' into release-6.0.1
Update submodules.
64-bit safe typedefs
fixed core.h int64 one more time
fixed MCPath alloc, eliminated more compiler warnings
reverted bad paren changes
the rest of the backpedaling
Use signed stride to avoid breaking pointer math on 64-bit
Fix bug with "import snapshot" and greatly increase rendering speed on Linux
Fix linker errors for linux libraries
Add a clean goal and make all the default goal to run when none are specified
Add missing dependencies
Don't restrict linker output arch and format
Fix revpdfprinter for 64-bit
Add missing libs
libm.a is not built to be included in a library
libcrypto and the included libz don't like each other, use system libz