Added timeout to wait.

services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/WLDirectoryNodeSnapshot.java

@@ -67,6 +67,7 @@ public class WLDirectoryNodeSnapshot implements CandidateSnapshot {
 
     @Override
     public void approveWithVersionID(int versionID) {
+        System.out.println("approve with version " + versionID);
         callback.approveSnapshot(versionID, this);
     }
 

services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/WriteLatexAPI.java

@@ -57,11 +57,13 @@ public class WriteLatexAPI implements WriteLatexDataSource {
     public void expectPostback(String projectName) {
         Object value = new Object();
         postbackConds.put(projectName, value);
+        System.out.println("sleeping");
         try {
-            value.wait();
+            value.wait(5000);
         } catch (InterruptedException e) {
             e.printStackTrace();
         }
+        System.out.println("finished sleep");
     }
 
     /* Called by postback thread. */