Bumped mention of version to 1.2.2.
Bumped version to 1.2.3-SNAPSHOT.
Removed internal 2.9.x branch.
Updated for new post-2.10.0-M4 reflection.
Updated to latest sbt-extras and use 0.11.3 by default.
Updated sample fragments.
Fixed typo.
Add Div and Mod typeclasses and tests.

This adds Div (and DivAux) and Mod (and ModAux) typeclasses as more
operators for Nat.
Merge remote-tracking branch 'upstream/master'
Merge pull request #8 from tixxit/master

Add Div(Aux) and Mod(Aux) type classes.
Updated to latest sbt-extras.
Added 2.10.0-M5 to the cross build.
Added placeholder shapeless-macros project; made a bit more DRY.
Removed redundant resolver.
Improve HList Prepend and ReversePrepend with special handling for HNil
Merge remote-tracking branch 'sirthias/master'
sbteclipse-plugin 2.1.0-SNAPSHOT => 2.1.0.
CrossVersion.full for the time being.
Cross build for 2.10.0-M5/6.
Added staging example.