Merge pull request #210 from EDiLD/fix_quick

Fix quick
added remaining tests for new itis functions
moved vignette build stuff to inst/stuff, added new .ids methods to classification and synonyms
expanded desc of package in DESC file
fixed broken links in readme
sci2comm.tsn should return a named list for every passed taxon
simplified
added ncbi functionality to sci2comm
tsn and uid methods for sci2comm.
added ncbi to comm2sci
Merge pull request #216 from EDiLD/dev_ncbi

added some ncbi functionality
small changes to scrapenames
Merge branch 'master' of https://github.com/ropensci/taxize
changed some fxn names to not be so damned long, #183
comm2sci and sci2comm now with simplified output to charcter vector of names, addtn egs for a few fxns, #183
changed a number of fxns to have lowercase data.frame col names, #183
added seealso to the three get genes functions
all fxns col headers changed to lowercase, closes #183
ldfast fxn name changed to taxize_ldfast to avoid namespace conflicts with other pkgs
started unifying classification output - ncbi