- update all documentation to be in godoc style

lists/arraylist/arraylist.go

@@ -24,10 +24,11 @@ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
-// Implementation of list using a slice.
+// Package arraylist implements the array list.
+//
 // Structure is not thread safe.
-// References: http://en.wikipedia.org/wiki/List_%28abstract_data_type%29
-
+//
+// Reference: https://en.wikipedia.org/wiki/List_%28abstract_data_type%29
 package arraylist
 
 import (