Bug 566639 - Make Linux libsecret integration work for all archs

- add new org.eclipse.equinox.security.linux fragment using JNA
- change old org.eclipse.equinox.security.linux.x86_64 fragment
  to simply require new org.eclipse.equinox.security.linux
- modify org.eclipse.equinox.core.sdk feature appropriately

Change-Id: I266d329490f0964c66f8a57789fb9ec63d983331
Signed-off-by: Jeff Johnston <jjohnstn@redhat.com>
42 files changed