drd: Add strchr(), strcpy(), strcmp() and memcpy() intercepts (#326436)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13679 a5019735-40e9-0310-863c-91ae7b9d1cf9
drd/tests: Add std_list and std_string test programs

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13680 a5019735-40e9-0310-863c-91ae7b9d1cf9
Update Subversion ignore lists

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13681 a5019735-40e9-0310-863c-91ae7b9d1cf9