Fixes #108 - Corrected comments and assertions, wrapped lines to 80c

- Wrapped lines to 80 columns
- Corrected comments
- Correctly assert 2 syntax errors rather than 1
- Correctly assert default snapToLines == TRUE rather than FALSE
- Convenience error condition checks
- Check errorCount() before error condition checks to prevent
  bad-access
Merge remote-tracking branch 'mozilla/dev' into issue-108

Conflicts:
	test/unit/csline_unittest.cpp
Fixes #108 - Fixing more comments
Merge pull request #108 from caitp/issue-108

CueSettingLine.WhitespaceDelimiter -- Should report 2 errors, incorrect snapToLines assertion