Finish 1.1.0
VERSION file was missing

Needed for Spira::VERSION
Merge commit '336ff9dd064b85a133401c8952a955605e1cf0ec' into develop
Enhance README.md 

* Add ``` for ruby syntax
* Add Spira.repository= in the examples

Signed-off-by: Aymeric Brisse <aymeric.brisse@perfect-memory.com>
Update Gemspec & Gemfile

Signed-off-by: Aymeric Brisse <aymeric.brisse@perfect-memory.com>
Change version to 0.7.0 (independency with RDF version number)

Signed-off-by: Aymeric Brisse <aymeric.brisse@perfect-memory.com>
Merge branch 'develop'

Conflicts:
	README.md