[#2074] Make specs2 granular dependencies
Add implicit conversion for string attribute pairs
Fixed one small typo
Merge pull request #2077 from baloo/improvements/2074-granular-specs2

[#2074] Make specs2 granular dependencies
Merge pull request #2078 from gmethvin/attribute_pair

[#2061] Add implicit conversion for string attribute pairs
Merge pull request #2081 from ben010783/master

Fixed one small typo
Merge remote-tracking branch: upstream/master