Version 2.1.4 released on CRAN

version 2.1.4

• replaced taxosaurus with TNRS for name resolution in correctTaxo
• spell check documentation (thank you Mauro)
• fix an issue with summaryByPlot when a plot contains a single tree
• added fetching accepted names in correctTaxo
• removed unneeded dependencies on usethis, taxize, covr, rvest, MCMCglmm and lmfor