Re-implement `#[derive(Identifiable)]` using Macros 1.1#460

Merged

sgrif merged 2 commits intomasterfrom sg-macros-1-1-insertable.rs

Oct 3, 2016

+289-39

Commits on Oct 3, 2016

Re-implement #[derive(Identifiable)] using Macros 1.1
sgrif
committed
Re-implement #[derive(AsChangeset)] and `#[derive(Insertable)] using Macros 1.1
sgrif
committed