add version to pages where possible

Signed-off-by: Toshaan Bharvani <toshaan@vantosh.com>

themes/openpowerfoundation/assets/css/footer.scss

@@ -26,4 +26,10 @@
 			color: #ff8800;
 		}
 	}
+	.version-footer {
+		font-size: 8px;
+		a {
+			color: white;
+		}
+	}
 }

themes/openpowerfoundation/layouts/partials/footer.html

@@ -99,9 +99,14 @@
 				Powered by OpenPOWER Systems using Open Source Technologies - hosted by <a href="https://www.vantosh.com">VanTosh</a>
 			</span>
 		</div>
-
 	</div>
-
+	<div class="row">
+		<div class="col-lg-12 text-lg-center">
+			<div class="version-footer">
+				{{ if .GitInfo }}{{ .GitInfo.AbbreviatedHash }}{{ end }}
+			</div>
+		</div>
+	</div>
 </div>
 </footer>
 <script src="{{ "lib/jquery/jquery.min.js" | absURL }}"></script>