Upgrade Java-Websocket and fix the restart test

[jimirocks]

Resolves #28

[codecov]

Codecov Report

Merging #109 (c0f1d38) into master (4ac9f60) will increase coverage by 0.21%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #109      +/-   ##
============================================
+ Coverage     75.76%   75.97%   +0.21%     
- Complexity      488      489       +1     
============================================
  Files            69       69              
  Lines          1411     1411              
  Branches        125      125              
============================================
+ Hits           1069     1072       +3     
+ Misses          273      271       -2     
+ Partials         69       68       -1     

Impacted Files	Coverage Δ	Complexity Δ
src/main/java/cz/smarteon/loxone/LoxoneAuth.java	70.63% <0.00%> (+2.38%)	31.00% <0.00%> (+1.00%)

---

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 4ac9f60...c0f1d38. Read the comment docs.