ensure MustacheApi list is sorted
whoops
make api sorting optional
Merge branch 'fix-api-order' of git://github.com/tpetr/swagger-maven-plugin into tpetr-fix-api-order

* 'fix-api-order' of git://github.com/tpetr/swagger-maven-plugin:
  make api sorting optional
  whoops
  ensure MustacheApi list is sorted
Merge branch 'tpetr-fix-api-order'

* tpetr-fix-api-order:
  make api sorting optional
  whoops
  ensure MustacheApi list is sorted
sort apis by specify a custom comparator