Openssl build flags and compiler (gcc) used now. Resolves EAGAIN error in ssl.

Build openssl using gcc. This resolves the issue seen related to error EAGAIN in ssl. Tests run 

- successfully run manual tests for remote_file resource using https url within omnibus built ruby (chef-shell and chef-apply)

remote_file "/tmp/chef_https_test" do
source "https://gist.github.com/kaustubhd/5cfbff1bd65d020dfde4/raw/bc8c9123e27e50b9fa216c7ffa0faab31ccf9eb6/readme"
end