Enabled docker tests, set up travis to run redis

[barambani]

No description provided.

[codecov-io]

Codecov Report

Merging #107 into master will increase coverage by 14.24%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master     #107       +/-   ##
===========================================
+ Coverage   22.99%   37.23%   +14.24%     
===========================================
  Files          33       33               
  Lines         948      948               
  Branches       17       10        -7     
===========================================
+ Hits          218      353      +135     
+ Misses        730      595      -135

Impacted Files	Coverage Δ
core/src/main/scala/laserdisc/protocol/RESP.scala	77.07% <0%> (+2.54%)	⬆️
core/src/main/scala/laserdisc/protocol/Show.scala	87.09% <0%> (+3.22%)	⬆️
core/src/main/scala/laserdisc/package.scala	56.52% <0%> (+4.34%)	⬆️
...re/src/main/scala/laserdisc/protocol/StringP.scala	5.08% <0%> (+5.08%)	⬆️
core/src/main/scala/laserdisc/protocol/Read.scala	49.46% <0%> (+13.97%)	⬆️
core/src/main/scala/laserdisc/protocol/ListP.scala	25% <0%> (+25%)	⬆️
...s2/src/main/scala/laserdisc/fs2/RedisAddress.scala	40% <0%> (+40%)	⬆️
...e/src/main/scala/laserdisc/protocol/Protocol.scala	55.55% <0%> (+55.55%)	⬆️
fs2/src/main/scala/laserdisc/fs2/MkResource.scala	63.63% <0%> (+63.63%)	⬆️
fs2/src/main/scala/laserdisc/fs2/RedisClient.scala	68.57% <0%> (+68.57%)	⬆️
... and 6 more

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[sirocchj]

Great!