Merge pull request #57 from jeff1evesque/doc_usb_boot_partition

#37: README.md, adjust minor typo
#12: README.md, add 'FTP' to linux packages
Merge pull request #58 from jeff1evesque/doc_linux_packages

#12: README.md, add 'FTP' to linux packages
#11: README.md, add 'FTP Server' subsection
#11: README.md, minor language change
Merge pull request #60 from jeff1evesque/doc_ftp_server

#59: Documentation - Add 'FTP Server' Subsection
#59: README.md, generally define the FTP server
#59: README.md, minor language change
#59: README.md, minor language change
#59: README.md, minor language change
#59: README.md, minor language change
#59: README.md, minor language change
#59: README.md, fix typo
#59: README.md, link text
Merge pull request #61 from jeff1evesque/doc_ftp_server

#59: Documentation - General definition of an FTP server
#62: README.md, move 'SD Boot Partition' subsection