warning are errors
Ignore binary products
Merge pull request #138 from krlmlr/travis-warnings

warning are errors for Travis build
Convert non-breaking space back to regular
More flexible strategy for roxygenise.
Separates out code loading from everything else so can more easily call from
devtools.
Typo in news
Implement @slots tag. Closes #85
Supress last warnings
Add default usage for S3 generics
Fix dumb typo
Use \method not \S3method
Eliminate all uses of match.fun. #137
Correct tests for s3 method usage
Remove rd_out_cache since saves relatively little time
Remove rd cache since also has limited impact on speed
Eliminate all caching. More efficient parsing strategy
Refactoring
Early abort if file empty
Better environment
Better parsing for multi-line word tags.
Fixes #140