Fix formatting of developer activity.

Author: rouilj

doc/acknowledgements.txt

@@ -16,6 +16,7 @@ Maintainer: Ralf Schlatterbeck
 Release Manager: Anatoly Techtonik
 
 Developer activity by changesets::
+
   hg churn -c --rev 1.5.0:1.5.1 
   [email protected]        98 **********************************************
   [email protected]     44 ********************* Bernhard Reiter 
@@ -37,21 +38,19 @@ Karl-Philipp Richter
 
 1.5.0
 ~~~~~
-Maintainer: Ralf Schlatterbeck
+Maintainer: Ralf Schlatterbeck::
 
-hg churn -c --rev 1.4.21:1.5.0
-[email protected]        37 ********************************************** Anatoly Techtonik
-[email protected]     17 ********************* Bernhard Reiter
-[email protected]          16 ******************** Pradip Caulagi
-[email protected]             8 ********** John P. Rouillard
-[email protected]              6 ******* Ralf Schlatterbeck
-[email protected]        5 ****** Thomas Arendsen Hein
+  hg churn -c --rev 1.4.21:1.5.0
+  [email protected]        37 ********************************************** Anatoly Techtonik
+  [email protected]     17 ********************* Bernhard Reiter
+  [email protected]          16 ******************** Pradip Caulagi
+  [email protected]             8 ********** John P. Rouillard
+  [email protected]              6 ******* Ralf Schlatterbeck
+  [email protected]        5 ****** Thomas Arendsen Hein
 
 Tom Ekberg,
 Erik Hanspers
 
-
-
 pre 1.5.0
 ---------
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