- account name must be unique, this should fix issue #102
add a version counter to the account
change the versioncode and versioname
fix command line build instructions

the 'android project --path .' command is syntactically incorrect.

it also doesn't include the '--target' argument (which may only be
needed if one doesn't have the author's preffered sdk version (target)
installed.)

also added instuctions for listing names of targets, and how to get
more.