[FIX] pad: get pad content with newlines

Some more recent versions of etherpad can have newlines in the pad
content. Allowing newlines should not break anything that worked
before and allow more etherpad versions to be used.

closes #14877
opw-703173

addons/pad/pad.py

@@ -75,7 +75,7 @@ class pad_common(osv.osv_memory):
         if url:
             try:
                 page = urllib2.urlopen('%s/export/html'%url).read()
-                mo = re.search('<body>(.*)</body>',page)
+                mo = re.search('<body>(.*)</body>', page, re.DOTALL)
                 if mo:
                     content = mo.group(1)
             except: