Rename rbnev* to ndkenv*
Replace words for rbenv

s/rbenv/ndkenv/g
s/RBENV/NDKENV/g
s/ruby/ndk/g
s/Ruby/NDK/g
s/RUBY/NDK/g
Stop Travis
Change command directory and file type to make shims
Show full version when install to excepting root
Remove plugin feature
Remove hook feature
Fix ruby related issues
Rename original README to README.rbenv
Add README based on original
Set version to 0.1.0
Update license