Merge branch 'release/0.1.1' into devel

* release/0.1.1:
  bump to version '0.1.1'
remove obsolete Modulefile

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
upgrade falkorlib

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
upgrade metadata

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
upgrade content

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
readme upgrade

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
update contributing

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
upgrade gemfile

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
bump to version '0.1.2'

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
Merge branch 'release/0.1.2' into production

* release/0.1.2:
  bump to version '0.1.2'
  upgrade gemfile
  update contributing
  readme upgrade
  upgrade content
  upgrade metadata
  upgrade falkorlib
  remove obsolete Modulefile