overviewer: fix git hash being after line break

Apparently that comma had its reasons for being there because
Python2's print works in weird ways. We can do this better though
by using string concatenation.

overviewer.py

@@ -150,8 +150,8 @@ def main():
     # This section of main() runs in response to any one-time options we have,
     # such as -V for version reporting
     if options.version:
-        print("Minecraft Overviewer %s" % util.findGitVersion())
-        print("(%s)" % util.findGitHash()[:7])
+        print("Minecraft Overviewer %s" % util.findGitVersion() +
+              " (%s)" % util.findGitHash()[:7])
         try:
             import overviewer_core.overviewer_version as overviewer_version
             print("built on %s" % overviewer_version.BUILD_DATE)
@@ -167,8 +167,8 @@ def main():
         if not options.checkversion:
             return 0
     if options.checkversion:
-        print("Currently running Minecraft Overviewer %s" % util.findGitVersion())
-        print("(%s)" % util.findGitHash()[:7])
+        print("Currently running Minecraft Overviewer %s" % util.findGitVersion() +
+              " (%s)" % util.findGitHash()[:7])
         try:
             import urllib
             import json