Actually use the public datetime crate...

Cargo.lock

@@ -3,8 +3,8 @@ name = "exa"
 version = "0.1.0"
 dependencies = [
  "ansi_term 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "datetime 0.1.0",
- "datetime_macros 0.1.0",
+ "datetime 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "datetime_macros 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "getopts 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "git2 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "natord 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -24,12 +24,13 @@ dependencies = [
 
 [[package]]
 name = "bitflags"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "datetime"
-version = "0.1.0"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "pad 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -38,9 +39,10 @@ dependencies = [
 
 [[package]]
 name = "datetime_macros"
-version = "0.1.0"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "datetime 0.1.0",
+ "datetime 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pad 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -62,7 +64,7 @@ name = "git2"
 version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libgit2-sys 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

Cargo.toml

@@ -8,6 +8,8 @@ name = "exa"
 
 [dependencies]
 ansi_term = "0.4.5"
+datetime = "0.1.1"
+datetime_macros = "0.1.1"
 getopts = "0.2.1"
 natord = "1.0.7"
 number_prefix = "0.2.3"
@@ -21,9 +23,3 @@ git = [ "git2" ]
 [dependencies.git2]
 version = "0.1.13"
 optional = true
-
-[dependencies.datetime]
-path = "../rust-datetime"
-
-[dependencies.datetime_macros]
-path = "../rust-datetime/datetime-macros"