Create assign instruction and return variables in result
Add acceptance tests
Remove java compilation warning
fix tests
fix acceptance tests
merge
format
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.
Issue #529 - Kept SystemVariableSource immutable. Passed request to ParsingPage.
Issue #529 - Passed UrlVariableSource to ParsingPage so no urlParams field.
Issue #529 - Cleaned up unused Java imports.
Forbid pages names root and files to be created.
Update client side page name validation.
Slim Query/Table Table: manage variables assignment in VariableStore

This is idential to pull request 525.
Only one line is different but needs no change in the protocol. Just
additional library functions.
removed dead code
Move getValuefrom{Query|Table}ResultSymbol() to a separate helper class.