use sort_c also when processing families
add NEWS
Merge pull request #171 from krlmlr/sort-c-family

use sort_c also when processing families
Adding infrastructure for RC method documentation
Describe RC doc philosophy
Basic implementation
Trim docstrings using python's algorithm
Special case single line docstring
Use custom rd_tag class for better semantics
Use full arg name
Be explicit about where to look for classes
Include rcmethod in list of outputs
Use section tag correctly
Add back missing check
Define ref classes in new environment
Be even more explicit about classes
Update namespace
Roxygenise returns vector of generated paths
Escape aliases in seealso generated by family.
Closes #172
 Remove extraneous period