Fix remaining rubocop issues

[bootstraponline]

This reduces the rubocop issues to zero. I haven't tested yet.

[bootstraponline]

I fixed the broken flaky tool, android tests are passing at 100%.

$ flake 3 android
Recording Video: false
Running all android tests 3x
flaky.txt: {"android"=>"lib/android/specs/"}
Globbing: /ruby_lib/android_tests/lib/android/specs/**/*.rb

 android/element/alert  ✖ ✓
 android/element/button  ✓
 android/element/generic  ✓
 android/element/text  ✓
 android/element/textfield  ✓
 android/helper  ✓
 android/patch  ✓
 common/device  ✓
 common/device_touchaction  ✓
 common/element/window  ✓
 common/helper  ✓
 common/patch  ✓
 common/version  ✓
 common/web_context  ✓
 ./driver  ✓
 ./install  ✓

16 Tests

Success (16):
android/element/alert, runs: 2, pass: 1, fail: 1 
android/element/button, runs: 1, pass: 1, fail: 0 
android/element/generic, runs: 1, pass: 1, fail: 0 
android/element/text, runs: 1, pass: 1, fail: 0 
android/element/textfield, runs: 1, pass: 1, fail: 0 
android/helper, runs: 1, pass: 1, fail: 0 
android/patch, runs: 1, pass: 1, fail: 0 
common/device, runs: 1, pass: 1, fail: 0 
common/device_touchaction, runs: 1, pass: 1, fail: 0 
common/element/window, runs: 1, pass: 1, fail: 0 
common/helper, runs: 1, pass: 1, fail: 0 
common/patch, runs: 1, pass: 1, fail: 0 
common/version, runs: 1, pass: 1, fail: 0 
common/web_context, runs: 1, pass: 1, fail: 0 
./driver, runs: 1, pass: 1, fail: 0 
./install, runs: 1, pass: 1, fail: 0 

Finished in 7 mins 36 secs
Apr 28  9:25 pm -  9:33 pm
4/28/2015   16  0   16  100
--

[bootstraponline]

Once appium/appium#5018 is resolved then I'll be able to verify all the iOS tests pass.