add a command line option to set the location of configuration file (#17)
add a command line option to set the location of configuration file (#17)

Usage:

  $ sequenceserver --config sequenceserver_ants.conf
  $ sequenceserver --config sequenceserver_chimps.conf

So users can run multiple instances of SequenceServer, each with its own
settings.

Signed-off-by: Anurag Priyam <6e6ab5ea9cb59fe7c35d2a1fc74443577eb60635@gmail.com>

aldermossy/sequenceserver,aldermossy/sequenceserver,yeban/sequenceserver,deepakunni3/sequenceserver,vivekiitkgp/sequenceserver,aldermossy/sequenceserver,vivekiitkgp/sequenceserver,deepakunni3/sequenceserver,IsmailM/sequenceserver,lepbase/lepbase-sequenceserver,vivekiitkgp/sequenceserver,lepbase/lepbase-sequenceserver,deepakunni3/sequenceserver,elsiklab/sequenceserver,jasminZ/sequenceserver,yeban/sequenceserver,yeban/sequenceserver,elsiklab/sequenceserver,yeban/sequenceserver,aldermossy/sequenceserver,jasminZ/sequenceserver,IsmailM/sequenceserver,IsmailM/sequenceserver,lepbase/lepbase-sequenceserver,jasminZ/sequenceserver,elsiklab/sequenceserver