Composer support

Added composer support

Stable release compatible with SS v3.1.x

v3.1.0

Fixed forbidden on link/image in ModelAdmin

Release for SS v3.1

v3.0.0

Fixed forbidden on link/image in ModelAdmin

Release for SS v3.0

Merge pull request #32 from Bob-Plastyk/master

Breadcrumb fix

Release for SS v2.4

Merge pull request #13 from jim2mullered/master

Great thanks Jim!