New endpoint - ie_mixed_content to set IE's Mixed Content.
Updating changelog
Fixing the /ps endpoint
new timestamp return formatting
Give ability to write list to json file
Json list string to List
Adding object to keep track of sessions for a given computer node
no need to pass in timestamp, the history guy can generate itself
Missed file for checkin for ie_mixed_content.
Adding class to maintain session history all over the place
Adding to JsonObject wrapper
Adding a log entry everytime a node is rebooted
Add Registry Key's to JsonCodec. Fix IEMixedContent to use Strings
instead of booleans.
Disable this proxy for now until next version of webdriver that uses GSON parser exclusevely'
Merge branch 'mixed_content' of https://github.com/smccarthy/Selenium-Grid-Extras into smccarthy-mixed_content

Conflicts:
	SeleniumGridExtras/src/main/java/com/groupon/seleniumgridextras/utilities/json/JsonCodec.java
Merge branch 'smccarthy-mixed_content'
Grouping Windows specific JSON info into Windows class
Updating changelog with new features