Modified project setting to code-sign CocoaOniguruma.framework when copy.
Modified FUAppDelegate not to use an obsoleted method (-NSImage setScalesWhenResized:).
Fixed the issue that most tests in FUThreadParserTests failed.
- Added FUOldThreadParser derived from FUThreadParser to follow old thread html structure.
- Modified FUThreadParser to supply regular expression string and its argument indexes from instance methods.
- Modified FUThreadParserTests and FUTestUtil to use FUOldThreadParser for traditional tests.