adds phoenix boilerplate and database api

- message communication added
- database migration added
- initial commit

lib/bump/messages.ex

@@ -0,0 +1,27 @@
+defmodule Bump.Messages do
+  alias Bump.Repo
+  import Ecto.Query
+
+  def get_newest_message(_sender) do
+  end
+
+  def get_all_messages_since(sender, minutes) do
+
+    ago = DateTime.utc_now 
+          |> Timex.shift(minutes: -minutes) 
+          |> DateTime.truncate(:second)
+
+    query = from m in "messages",
+      where: m.sender == ^sender and
+             m.timestamp >= ^ago,
+      select: m.data
+    Repo.all(query)
+  end
+
+  def remove_sender(_sender) do
+  end
+
+  def add_message(_sender, _message) do
+  end
+
+end