Fixed Paco-Server and Shared classpath files to use gwt 2.5.0
Refactored experiment validation test code.
Merge pull request #130 from google/conditionalLogicTesting

Fixing build & refactoring experiment validation test code
issue #70 - Added some testing for conditional logic. Tested conditional regex and conditional text -> model/menu updates. TODO: more testing.
issue #70 - Updated conditional regex tests to include unbalanced parentheses.
Merge pull request #131 from google/conditionalLogicTesting

issue #70 - Added some testing for conditional logic.
issue #70 - added conditional menu -> model/text update tests.
issue #70: Added some testing for interaction of conditional errors with form submission. Some refactoring.
Merge branch 'conditionalLogicTesting' into newCreationFlow
Merge branch 'newCreationFlow' of https://github.com/google/paco into newCreationFlow
issue #70 - Added testing for: 1) conditional rename when an input is renamed, 2) conditional menu reconfig when input type, number likert steps, or list items are changed.
Merge branch 'conditionalLogicTesting' into newCreationFlow
issue #70 -- Added testing for conditional updates based on input dragging. Final conditional logic test.
Merge branch 'conditionalLogicTesting' of https://github.com/google/paco into conditionalLogicTesting
Merge branch 'conditionalLogicTesting' into newCreationFlow
issue #70: added some more validation to text entry in conditional text box based on actual input and predicate validity rather than just syntax validity.
issue #37 - hid administer experiments view, repositioned create/cancel buttons, put a box around the conditional logic panel.
Merge pull request #146 from google/visualNeatening

issue #70 - Conditional text box extra validation
Merge pull request #149 from google/actualVisualNeatening

Actual visual neatening
issue #70 - added some functionality such that invalid panels in menu still result in valid conditional expression.  Ensures text display expression does not start with an operator and that parens are balanced no matter which menu panels are invalid.