rewrite ec2list.
moved ltsv_pipe from original repo.
moved old bin files.
restore ec2ssh.

replaced ltsv_filter(Python) to ltsv_pipe(golang)
added gitignore.
added make scripts.

make release archives.
make for developement.
fixed case that chosen multi instances.

show prompt when selection view(peco prompt)
fixed case that chosen multi instances.
renamed ec2ssh command to rnssh.
fixed multiple servers case.
support all region.
create rnzoo directory if not exists.
added archive darwin/amd64.
modified peco prompt message.
update README.
update gitignore
remove once.
fixed ltsv_pipe directory for git.

it was broken(?)
removed old binary.
fixed talbe in README.
added zip format to making archive script.
version 0.2.0