Added .gitignore to the repo

Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>

.gitignore

@@ -0,0 +1,23 @@
+Makefile
+Makefile.in
+aclocal.m4
+ltmain.sh
+autom4te.cache/
+config.guess
+config.log
+config.status
+config.sub
+configure
+cscope.out
+depcomp
+install-sh
+libtool
+missing
+openssl.cnf.sample
+src/.deps/
+src/.libs/
+src/Makefile
+src/Makefile.in
+src/libibmpkcs11.la
+src/libibmpkcs11_la-e_pkcs11.lo
+src/libibmpkcs11_la-e_pkcs11_err.lo