Create assign instruction and return variables in result
Add acceptance tests
Remove java compilation warning
fix tests
fix acceptance tests
merge
format
Scenario with output parameters (beta)
Extended SlimHelperLibrary

Added required Slim client features to SlimHelperLibrary. Added tests
for the changes to new page:
FitNesse.SuiteAcceptanceTests.SuiteSlimTests.SlimSymbolManipulation
Issue #529 - Added url key value pairs to test and page responders.
Issue 529 - Gave URL params precedence over markup variables.
Now I can create and view a wikipage.
Removed class fitnesse.wikitext.parser.WikiWordPath.
Fix aliases to support lower case wiki words.
Upgrade JGit to version 3.0
Mark Linux path
Issue #529 - Kept SystemVariableSource immutable. Passed request to ParsingPage.
Merge pull request #535 from hansjoachim/path

Mark Linux path
Issue #529 - Passed UrlVariableSource to ParsingPage so no urlParams field.
Issue #529 - Cleaned up unused Java imports.