Explicitly require 'tilt/erb'.
Explicitly require 'tilt/erb'.

close #262

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

elsiklab/sequenceserver,yeban/sequenceserver,yeban/sequenceserver,yeban/sequenceserver,elsiklab/sequenceserver,elsiklab/sequenceserver,yeban/sequenceserver