make webappdir configurable

a "url template" is introduced so one can use webapp dir other than the default '/solr'
lol..missed that..ok done.

On Sep 8, 2014, at 3:02 PM, dfdeshom <notifications@github.com> wrote:

> In solrcloudpy/connection.py:
> 
> > @@ -48,7 +53,7 @@ def __init__(self,server="localhost:8983",
> >              else:
> >                  self.servers = servers
> >          if type(server) == type([]):
> > -            servers = ["http://%s/solr/" % a for a in server]
> > +            servers = [self.url_template % a for a in server]
> this also needs to use .format()
> 
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