Combine apt-get install lines into one for Travis.
Combine apt-get install lines into one for Travis.

Should make the build a bit fast.

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

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