v0.9.6 bug fix release

v0.9.6 bug fix release

A new release including small fixes:
- remove linkage to libproxy (curl knows about proxies already)
- clean up memory management of strings in summary report, simplify and
  insure each report field's string is populated or set once to a default
  "Unknown" placeholder string
- removed no longer needed check for a "wrapped" app/core
- fix valgrind complain about loop which strips 0x1a's
- fix double "#0" line in backtrace
- additional error handling / requeue for failed report submissions

Signed-off-by: Tim Pepper <timothy.c.pepper@linux.intel.com>