Remove some ifelse statements; the new code is faster and pmax() is a little clearer about what is actually being done.
fix namespace issues and a few small changes to several metric functions.
change some code to use plyr:::revalue
refactor relative bed stability
fix some issues to more closely mimic EPA code
change to lowercase data.frame like rest of metric functions
remove speed optimized code, use mapvalues and revalue rather than other code to be more consistent with rest of package.
add documentation
move mergeMetrics and change all non finite resuts to NA in meltMetrics
refactor residual pool code
remove dependency on NARSShared (bring some functions into the package).  Some changes to other support functions
remove unnecessary code including all data validation code.
add some test, rename unit test directory, and remove EPA tests
roxygenize
roxygenize
remove unnecessary .Rd filed
add data files