printing: replace dive master by dive guide in templates

This does not rename the variables, only the user-visible output.
Case "Dive guide" vs. "Dive Guide" is according to the rest of
the templates.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

printing_templates/Flowlayout.html

@@ -179,7 +179,7 @@
 							</tr>
 							<tr>
 								<td class="fieldTitle">
-									<h1> Divemaster </h1>
+									<h1> Dive guide </h1>
 								</td>
 								<td class="fieldData">
 									<p> {{ dive.divemaster }} </p>

printing_templates/One Dive.html

@@ -212,7 +212,7 @@
 									<p> {{ dive.duration }} </p>
 								</td>
 								<td class="fieldTitle">
-									<b> Dive Master </b>
+									<b> Dive Guide </b>
 								</td>
 								<td class="fieldData">
 									<p> {{ dive.divemaster }} </p>

printing_templates/Six Dives.html

@@ -153,7 +153,7 @@
 									<td> SAC: {{ dive.sac }}</td>
 								</tr>
 								<tr>
-									<td> Divemaster: {{ dive.divemaster }}</td>
+									<td> Dive guide: {{ dive.divemaster }}</td>
 									<td> Buddy: {{ dive.buddy }}</td>
 									<td> Rating: {{ dive.rating }}/5</td>
 								</tr>

printing_templates/Table.html

@@ -61,7 +61,7 @@
 		<th>Time</th>
 		<th>Depth</th>
 		<th>Duration</th>
-		<th>Master</th>
+		<th>Guide</th>
 		<th>Location</th>
 	</tr>
 {% block main_rows %}

printing_templates/Two Dives.html

@@ -201,7 +201,7 @@
 							</tr>
 							<tr>
 								<td class="fieldTitle">
-									<h1> Divemaster </h1>
+									<h1> Dive Guide </h1>
 								</td>
 								<td class="fieldData">
 									<p> {{ dive.divemaster }} </p>