fixed ssl with proxy

[stnelso2]

Description of the pull request

... Fix bug #99. This is essentially the same code as PR #176, but it updates the code to work with the version of java_websocket by using WebSocketImpl.DEFAULT_WSS_PORT instead of WebSocket.DEFAULT_WSS_PORT.

Why is the change necessary?

... To fix bug #99

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CC @pusher/mobile

[codecov-io]

Codecov Report

Merging #259 into master will decrease coverage by 0.15%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master     #259      +/-   ##
============================================
- Coverage     75.93%   75.77%   -0.16%     
  Complexity      279      279              
============================================
  Files            33       33              
  Lines          2418     2423       +5     
  Branches        112      113       +1     
============================================
  Hits           1836     1836              
- Misses          527      532       +5     
  Partials         55       55              

Impacted Files	Coverage Δ	Complexity Δ
...t/connection/websocket/WebSocketClientWrapper.java	42.85% <0.00%> (-7.15%)	7.00 <0.00> (ø)

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[sonologico]

Hi. I want to fix the underlying issue (possibly by just merging this), but looking at the current code and the java-websocketclient, I'm not sure this is needed anymore. It seems that setting the proxy and the socketFactory should be enough. Could you confirm that the current code in master is not enough?

EDIT: closed by mistake. Reopened