6671882: memory access after free in solaris/vm/os_solaris.cpp
Summary: Corrected the wrong memory access problem and made some minor clean ups
Reviewed-by: dholmes, jcoomes
6563616: Clarify instructions for unpacking openjdk binary "plug"
6611685: Incorrect link to CA certs info from build README
6682167: Add cygwin faq to README-builds.html
Reviewed-by: xdono