2019 07 369 fix spaces

[TheBlueMatt]

Just #369 with some spaces that crept in replaced with tabs and one tweak to the send_data docs.

[codecov]

Codecov Report

Merging #370 into master will increase coverage by 0.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #370      +/-   ##
==========================================
+ Coverage   87.33%   87.34%   +0.01%     
==========================================
  Files          29       29              
  Lines       15605    15605              
==========================================
+ Hits        13628    13630       +2     
+ Misses       1977     1975       -2

Impacted Files	Coverage Δ
src/ln/peer_handler.rs	31.81% <0%> (ø)	⬆️
src/ln/functional_tests.rs	96.38% <0%> (+0.05%)	⬆️

---

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 0d16296...263b2fa. Read the comment docs.