Ignore all generated files from build system

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

.gitignore

@@ -5,6 +5,8 @@
 *.so.*
 *.a
 .deps
+.libs
+tmp/
 compile
 config.*
 configure
@@ -18,4 +20,5 @@ Makefile
 Makefile.in
 aclocal.m4
 ar-lib
-autom4te.cache
+autom4te.cache
+libite*