Change all <source> references to <library>.

Author: grafikrobot

test/Jamfile.v2

@@ -5,7 +5,7 @@
 import testing ;
 
 project : requirements
-    <source>/boost/core//boost_core
+    <library>/boost/core//boost_core
     ;
 
 test-suite concept_check
@@ -15,11 +15,11 @@ test-suite concept_check
     [ run class_concept_check_test.cpp ]
     [ compile-fail concept_check_fail_expected.cpp ]
     [ compile-fail class_concept_fail_expected.cpp ]
-      
+
     [ run where.cpp ]
     [ compile-fail where_fail.cpp ]
     [ compile-fail usage_fail.cpp ]
-      
+
       # Backward compatibility tests
     [ run old_concept_pass.cpp ]
     [ compile-fail function_requires_fail.cpp ]