Revert "Bump the version of webbit to 0.4.15"

This reverts commit 41b8f0598546ac78d06eb3b39fec23d9917340b2.

Version 0.4.15 has an issue https://github.com/webbit/webbit/issues/134 that causes some selenium tests to fail, in particular ReferrerTest is broken.
Moving from org.json to gson because the license. Fixes issue 7956
Fixing maven build after move to gson
Implementing autoconverion of platform in Capabilities on write
Fixing broken CrossDomainRpcLoader
Actually fixing maven build
Adding diagnostic providers to collect Firefox and Selenium IDE data
Registering the new diagnostic providers by loading them
Added data collection for plugins and more logging errors and statistics
Collect statistics for commands
Adding Search Issues to help menu and some localisation strings
Getting ready to release Selenium IDE 2.8.0
Fix classpath for running tests in eclipse

This allows the htmlunitdriver tests to run in Eclipse.

Signed-off-by: Simon Stewart <simon.m.stewart@gmail.com>
Enable Html5CapabilitiesTest for HtmlUnit

This was working already.

Signed-off-by: Simon Stewart <simon.m.stewart@gmail.com>
HtmlUnit: Fix getAttribute for dynamic properties.

Signed-off-by: Simon Stewart <simon.m.stewart@gmail.com>
HtmlUnit: add text to the end of input fields

This makes the htmlunit driver work as the other drivers do.

Signed-off-by: Simon Stewart <simon.m.stewart@gmail.com>
Fixing IDEA Java module dependencies
Fixing mouse move 'relative to the previous element' if a new page is loaded. Fixes issue 7637
Get the Buck build working again.
Fix the Eclipse config.

The new gson dependency wasn't added. Now is :)

Also switched a call in HtmlUnitWebElement to use guava rather than commons-lang
since that's already included in the build configs for both Buck and CrazyFun.

Signed-off-by: Simon Stewart <simon.m.stewart@gmail.com>