[xmlsec] xmlsec test harness

[Tejkumar Arora]

  That makes perfect sense. Thanks.

Aleksey Sanin wrote:

 > Hi, Tej!
 >
 > Thanks for the patch! I have applied and checked it in with
 > minor modification: I don't think that it's a good idea to have
 > two copies of tests/test*.sh scripts. Instead I've added one more
 > command line option (key format: "der" or "pem")  to these
 > scripts and made "der" default in the Makefiles (i.e. removing
 > all "check-*-std" targets from Makefile). And one can still run
 > tests using pem files from a command line if needed.
 >
 > Aleksey
 >
 >