improve readme so it is clear how to start
remove unused code - swig . Lived in git history.
Improve structure of sources. Split pure ruby with C bindings to y2
drop support for calling builtin from ycp. Will be done directly in ruby
simplify tests
add path type
fix loading relative path
add first builtins
added YCP::Term
removed unnecessary '*'
Merge pull request #1 from lslezak/workshop_adaptation_for_conversion

Added YCP::Term
use ruby implementation of Path and split conversaion to and from ycp
do not overuse require and use common RPC call
use term ruby implementation in translation
added substring() YCP builtin
no space between functinon name and parenthesis
use -1 default for substring()
added toupper() and tolower() builtins
added comment
added size() YCP built-in

(with String, Array, Hash support so far)