Updated regression tests for output change in r5974 and improved handling of

cores.

- test/structure, test/del_vec, test/frame_ref, test/meas_qual, test/del_frame:
  added newline after "unit" directive (reported by Xiangfu Liu)
- test/Common: new function expect_sed for post-processing of test output
- test/tsort: use expect_sed to ignore "(core dumped") after "Aborted"
- test/Common: if there is a file called "core", don't run it
- Makefile (clean): remove test/core



git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5978 99fdad57-331a-0410-800a-d7fa5415bdb3

test/structure

@@ -10,6 +10,7 @@ expect <<EOF
 
 package "_"
 unit mm
+
 EOF
 
 #------------------------------------------------------------------------------
@@ -26,6 +27,7 @@ frame foo {
 
 package "_"
 unit mm
+
 EOF
 
 #------------------------------------------------------------------------------
@@ -38,6 +40,7 @@ expect <<EOF
 
 package "hello"
 unit mm
+
 EOF
 
 #------------------------------------------------------------------------------
@@ -50,6 +53,7 @@ expect <<EOF
 
 package "_"
 unit mil
+
 EOF
 
 #------------------------------------------------------------------------------
@@ -62,6 +66,7 @@ expect <<EOF
 
 package "_"
 unit mm
+
 __0: vec @(1mm, 1mm)
 EOF
 
@@ -85,6 +90,7 @@ frame f {
 
 package "_"
 unit mm
+
 frame f @
 meas f.a -> f.b
 EOF