Logging improvements
Merge pull request #2953 from sebv/better-logging

Logging improvements
Moved default loglevel to debug, added loglevel info message at startup
Add PHP code snippets to docs
Add scrollIntoView

Example:

 a =  find_element(:uiautomator, 'new UiScrollable(new UiSelector().scrollable(true).instance(0)).scrollIntoView(new UiSelector().text("WebView").instance(0));')

 a.text # WebView
Merge pull request #2955 from imurchie/isaac-docs

Add PHP code snippets to docs
Merge pull request #2939 from bootstraponline/scroll_into_view

Add scrollIntoView
Adding Java snippets to documentation
Merge pull request #2957 from moizjv/java-samples

Adding Java snippets to documentation
Documentation update for android hide keyboard
Merge pull request #2958 from moizjv/java-samples

Documentation update for android hide keyboard
preventing pageLoad cbs being called twice
making sure all pageload timeout are cleared.
Generic method to avoid server crash.
Generic method to avoid server crash.