CREDITS: "!" in email should be followed by space

Otherwise a literal "!" is output. This commit fixes typos in two
email addresses.

lib/CREDITS

@@ -103,7 +103,7 @@
 @iE-mail: yurchor () ukr ! net
    Ukrainian translation
 @bTommaso Cucinotta
-@iE-mail: cucinotta () sssup !it
+@iE-mail: cucinotta () sssup ! it
    Advanced search feature
 @bMatthias Kalle Dalheimer
 @iE-mail: kalle () kdab ! net
@@ -395,7 +395,7 @@
 @iE-mail: dabn100 () cam ! ac ! uk
    config. handling enhancements, bugfixes, printer enhancements path mingling
 @bJens Nöckel
-@iE-mail: noeckel () uoregon !edu
+@iE-mail: noeckel () uoregon ! edu
    Mac OS X enhancements
 @bRob Oakes
 @iE-mail: lyx-devel () oak-tree ! us

lib/generate_contributions.py

@@ -603,7 +603,7 @@ contributors = [
                  u"Ukrainian translation"),
 
      contributor(u"Tommaso Cucinotta",
-                 "cucinotta () sssup !it",
+                 "cucinotta () sssup ! it",
                  "GPL",
                  "Re: View Menu proposal",
                  "m=119030065212621",
@@ -1387,7 +1387,7 @@ contributors = [
                  u"config. handling enhancements, bugfixes, printer enhancements path mingling"),
 
      contributor(u"Jens Nöckel",
-                 "noeckel () uoregon !edu",
+                 "noeckel () uoregon ! edu",
                  "GPL",
                  "GPL statement",
                  "m=128485749516885",