Move all images to doc/v2/images/

doc/v2/images/glossary_rnn.dot

+digraph G{
+	subgraph cluster_timestep0 {
+		label="recurrent timestep i-1"
+		bgcolor=lightgray
+		node [style=filled,color=white]
+		fc0_0 [label="fc 0"]
+		fc0_1 [label="fc 1"]
+		fc0_2 [label="fc 2"]
+
+		fc0_0 -> fc0_1
+		fc0_1 -> fc0_2
+	}
+
+	subgraph cluster_timestep1 {
+		label="recurrent timestep i"
+		node [style=filled];
+		fc1_0 [label="fc 0"]
+		fc1_1 [label="fc 1"]
+		fc1_2 [label="fc 2"]
+		color=blue
+
+		fc1_0 -> fc1_1
+		fc1_1 -> fc1_2
+	}
+
+	subgraph cluster_timestep2 {
+		label="recurrent timestep i+1"
+		bgcolor=lightgray
+		node [style=filled,color=white]
+		fc2_0 [label="fc 0"]
+		fc2_1 [label="fc 1"]
+		fc2_2 [label="fc 2"]
+
+		fc2_0 -> fc2_1
+		fc2_1 -> fc2_2
+	}
+	
+	
+	fc0_1 -> fc1_1 [style="dotted" constraint=false]
+	fc1_1 -> fc2_1 [style="dotted" constraint=false]
+
+}
\ No newline at end of file

doc/v2/images/glossary_rnn_with_memory.dot

+digraph G{
+	subgraph cluster_timestep0 {
+		label="recurrent timestep i-1"
+		bgcolor=lightgray
+		node [style=filled,color=white]
+		fc0_0 [label="fc 0"]
+		fc0_1 [label="fc 1"]
+		fc0_2 [label="fc 2"]
+		m0 [label="memory"]
+		fc0_0 -> fc0_1
+		fc0_1 -> fc0_2
+		fc0_1 -> m0
+		m0 -> fc0_1
+	}
+
+	subgraph cluster_timestep1 {
+		label="recurrent timestep i"
+		node [style=filled];
+		fc1_0 [label="fc 0"]
+		fc1_1 [label="fc 1"]
+		fc1_2 [label="fc 2"]
+		m1 [label="memory"]
+		color=blue
+		fc1_0 -> fc1_1
+		fc1_1 -> fc1_2
+		fc1_1 -> m1
+		m1 -> fc1_1
+	}
+
+	subgraph cluster_timestep2 {
+		label="recurrent timestep i+1"
+		bgcolor=lightgray
+		node [style=filled,color=white]
+		fc2_0 [label="fc 0"]
+		fc2_1 [label="fc 1"]
+		fc2_2 [label="fc 2"]
+		m2 [label="memory"]
+		fc2_0 -> fc2_1
+		fc2_1 -> fc2_2
+		fc2_1 -> m2
+		m2 -> fc2_1
+	}
+	
+	
+	m0 -> m1 [style="dotted" constraint=false]
+	m1 -> m2 [style="dotted" constraint=false]
+
+}
\ No newline at end of file

doc/v2/images/simple_full_hierarchical_recurrent.dot

+digraph G {
+  rankdir=LR;
+
+  subgraph cluster_t0 {
+    a [label="4"]
+    b [label="5"]
+    c [label="2"]
+  }
+  
+  subgraph cluster_t1 {
+    d [label="0"]
+    e [label="9"]
+  }
+
+  subgraph cluster_t2 {
+    f [label="8"]
+    g [label="1"]
+    h [label="4"]
+  }
+
+  a -> b;
+  b -> c;
+  c -> d [constraint=false];
+
+  d -> e;
+  e -> f [constraint=false];
+  
+  f -> g;
+  g -> h;
+}
\ No newline at end of file

doc/v2/images/simple_full_recurrent.dot

+digraph G {
+  rankdir=LR;
+  a [label="4"]
+  b [label="5"]
+  c [label="2"]
+  d [label="0"]
+  e [label="9"]
+  f [label="8"]
+  g [label="1"]
+  h [label="4"]
+
+  a -> b;
+  b -> c;
+  c -> d;
+  d -> e;
+  e -> f;
+  f -> g;
+  g -> h;
+}
\ No newline at end of file