A buncha muncha cruncha .h docs. Also add vim temporary files to .gitignore.

src/ssb.tests.h

@@ -6,13 +6,45 @@
 ** @{
 */
 
+/**
+** Options to control how tests are run.
+*/
 typedef struct _tf_test_options_t tf_test_options_t;
 
+/**
+** Test converting SSB identities.
+** @param options The test options.
+*/
 void tf_ssb_test_id_conversion(const tf_test_options_t* options);
+
+/**
+** Test SSB connections and replication.
+** @param options The test options.
+*/
 void tf_ssb_test_ssb(const tf_test_options_t* options);
+
+/**
+** Test SSB following calculations.
+** @param options The test options.
+*/
 void tf_ssb_test_following(const tf_test_options_t* options);
+
+/**
+** Test SSB rooms.
+** @param options The test options.
+*/
 void tf_ssb_test_rooms(const tf_test_options_t* options);
+
+/**
+** Benchmark SSB replication performacnce.
+** @param options The test options.
+*/
 void tf_ssb_test_bench(const tf_test_options_t* options);
+
+/**
+** Test communicating with go-ssb-room.
+** @param options The test options.
+*/
 void tf_ssb_test_go_ssb_room(const tf_test_options_t* options);
 
 /** @} */