Remove the direct postgres dependency

This isn't needed.

Author: sfackler

Cargo.toml

@@ -9,7 +9,6 @@ documentation = "https://sfackler.github.io/rust-postgres-range/doc/v0.9.0/postg
 
 [dependencies]
 time = "0.1"
-postgres = "0.15"
 postgres-protocol = "0.3"
 chrono = "0.4.0"
 postgres-shared ={version = "0.4.0", features = ["with-chrono"] }

src/impls.rs

@@ -1,5 +1,5 @@
 use std::error::Error;
-usepostgres::types::{FromSql,IsNull,Kind,ToSql,Type};
+usepostgres_shared::types::{FromSql,IsNull,Kind,ToSql,Type};
 use postgres_protocol::{selfas protocol, types};
 
 use{BoundSided,BoundType,Normalizable,Range,RangeBound};

src/lib.rs

@@ -1,14 +1,16 @@
 //! Types dealing with ranges of values
 #![doc(html_root_url = "https://sfackler.github.io/rust-postgres-range/doc/v0.8.2")]
 
-#[macro_use(to_sql_checked)]
-externcrate postgres;
 externcrate postgres_protocol;
+#[macro_use(to_sql_checked)]
 externcrate postgres_shared;
 externcrate time;
 externcrate chrono;
-use chrono::{DateTime,TimeZone};
 
+#[cfg(test)]
+externcrate postgres;
+
+use chrono::{DateTime,TimeZone};
 use std::cmp::Ordering;
 use std::fmt;
 use std::i32;
@@ -158,7 +160,7 @@ impl Normalizable for Timespec{
 }
 }
 
-impl<T>NormalizableforDateTime<T>
+impl<T>NormalizableforDateTime<T>
 whereT:TimeZone{
 fnnormalize<S>(bound:RangeBound<S,DateTime<T>>) -> RangeBound<S,DateTime<T>>
 where