Travis updates: Alpine builds and codecov reports

[gicmo]

• Include Alpine in the build matrix.
• Send coverage results to codecov.io

[codecov[bot]]

Codecov Report

Merging #81 into master will decrease coverage by 26.86%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           master      #81       +/-   ##
===========================================
- Coverage   88.98%   62.12%   -26.87%     
===========================================
  Files          83       83               
  Lines       13059    13161      +102     
  Branches     4022     4026        +4     
===========================================
- Hits        11621     8176     -3445     
- Misses       1438     1863      +425     
- Partials        0     3122     +3122

Impacted Files	Coverage Δ
tests/bolt-test.h	0% <0%> (-100%)	:arrow_down:
common/bolt-io.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-bouncer.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-udev.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-domain.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-watchdog.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-key.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-log.h	0% <0%> (-100%)	:arrow_down:
cli/bolt-client.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-auth.h	0% <0%> (-100%)	:arrow_down:
... and 72 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update ccbead4...f028ab0. Read the comment docs.

[codecov[bot]]

Codecov Report

Merging #81 into master will decrease coverage by 25.54%. The diff coverage is n/a.

@@             Coverage Diff             @@
##           master      #81       +/-   ##
===========================================
- Coverage   88.98%   63.44%   -25.55%     
===========================================
  Files          83       83               
  Lines       13059    13060        +1     
  Branches     4022     3944       -78     
===========================================
- Hits        11621     8286     -3335     
- Misses       1438     1696      +258     
- Partials        0     3078     +3078

Impacted Files	Coverage Δ
tests/bolt-test.h	0% <0%> (-100%)	:arrow_down:
common/bolt-io.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-bouncer.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-udev.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-domain.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-watchdog.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-key.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-log.h	0% <0%> (-100%)	:arrow_down:
cli/bolt-client.h	0% <0%> (-100%)	:arrow_down:
boltd/bolt-auth.h	0% <0%> (-100%)	:arrow_down:
... and 72 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update ccbead4...81d3e3f. Read the comment docs.