OpenConnectManagementThread: Use run_pie to wrap curl on ICS

Now that curl is a PIE binary, it won't run as-is on ICS.  Before
connecting, write out a wrapper script that either invokes curl-bin
(a PIE ELF binary) directly, or uses run_pie to execute it via dlopen().

fixes #1

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Update changelog and bump version to 1.10-beta1 (1101)

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>