Merge branch 'release/1.4.0'
Merge branch 'release/1.5.0'
adding _.version to custom build
build with 1.5.0 version number
version 1.5.1
release 1.5.2
release 1.5.3
release 1.6.0
release 1.7.0
merge develop with real_mixin branch (now undermore mixin source files are full _.mixin({}) valid JS (not just snippets)
Merge branch 'release/1.7.1'
Merge branch 'release/1.8.0'
merge dev 1.8.1
mo-badges!