Added code to allow sed script to find gems based on ruby version

.travis.yml

@@ -10,9 +10,8 @@ branches:
   - master
   - browserstack
 before_script:
-  - cat /home/travis/.rvm/gems/ruby-2.5.3/gems/browserstack-local-1.3.0/lib/browserstack/local.rb
-  - sed -i -E 's/system\((.*?)\)/""/g' /home/travis/.rvm/gems/ruby-2.5.3/gems/browserstack-local-1.3.0/lib/browserstack/local.rb
-  - cat /home/travis/.rvm/gems/ruby-2.5.3/gems/browserstack-local-1.3.0/lib/browserstack/local.rb
+  - RUBY_VERSION=rvm current
+  - sed -i -E 's/system\((.*?)\)/""/g' /home/travis/.rvm/gems/$RUBY_VERSION/gems/browserstack-local-1.3.0/lib/browserstack/local.rb
 script:
   # - bundle exec rake
   - CONFIG_NAME='windows/windows_chrome_latest.config.yml' bundle exec rspec --tag run_on_browserstack

spec/support/browserstack/windows/win_10/win10_chrome_37.config.yml

@@ -0,0 +1,14 @@
+server: "hub-cloud.browserstack.com"
+
+common_caps:
+  "build": "Windows 10 Chrome 37"
+  "name": "BStack Test Run"
+  "project": "My Project"
+  "browserstack.local": true
+
+browser_caps:
+  -
+    "browser": "chrome"
+    "browser_version": "37.0"
+    "os": "windows"
+    "os_version": "10"

spec/support/browserstack/windows/win_10/win10_chrome_43.config.yml

@@ -0,0 +1,14 @@
+server: "hub-cloud.browserstack.com"
+
+common_caps:
+  "build": "Windows 10 Chrome 43"
+  "name": "BStack Test Run"
+  "project": "My Project"
+  "browserstack.local": true
+
+browser_caps:
+  -
+    "browser": "chrome"
+    "browser_version": "43.0"
+    "os": "windows"
+    "os_version": "10"

spec/support/browserstack/windows/win_10/win10_chrome_latest.config.yml

@@ -1,7 +1,7 @@
 server: "hub-cloud.browserstack.com"
 
 common_caps:
-  "build": "Windows Chrome"
+  "build": "Windows 10 Chrome Latest"
   "name": "BStack Test Run"
   "project": "My Project"
   "browserstack.local": true
@@ -10,4 +10,4 @@ browser_caps:
   -
     "browser": "chrome"
     "os": "windows"
-    "os_version": "xp"
+    "os_version": "10"

spec/support/browserstack/windows/win_10/xp_chrome_43.copy config.yml

@@ -0,0 +1,14 @@
+server: "hub-cloud.browserstack.com"
+
+common_caps:
+  "build": "Windows Chrome"
+  "name": "BStack Test Run"
+  "project": "My Project"
+  "browserstack.local": true
+
+browser_caps:
+  -
+    "browser": "chrome"
+    "browser_version": "43.0"
+    "os": "windows"
+    "os_version": "xp"