Update to quote 0.5
diff --git a/Cargo.toml b/Cargo.toml
index 4e3122f..8f2a5f1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,8 +30,7 @@
 
 [dependencies]
 proc-macro2 = { version = "0.3", default-features = false }
-#quote = { version = "0.5", optional = true, default-features = false }
-quote = { git = 'https://github.com/dtolnay/quote', optional = true, default-features = false }
+quote = { version = "0.5", optional = true, default-features = false }
 unicode-xid = "0.1"
 
 [dev-dependencies]
diff --git a/examples/heapsize/heapsize_derive/Cargo.toml b/examples/heapsize/heapsize_derive/Cargo.toml
index 1ebf4ae..738a76c 100644
--- a/examples/heapsize/heapsize_derive/Cargo.toml
+++ b/examples/heapsize/heapsize_derive/Cargo.toml
@@ -9,5 +9,4 @@
 
 [dependencies]
 syn = { path = "../../.." }
-#quote = "0.5"
-quote = { git = 'https://github.com/dtolnay/quote' }
+quote = "0.5"
diff --git a/examples/heapsize2/heapsize_derive/Cargo.toml b/examples/heapsize2/heapsize_derive/Cargo.toml
index 7132002..c0338a2 100644
--- a/examples/heapsize2/heapsize_derive/Cargo.toml
+++ b/examples/heapsize2/heapsize_derive/Cargo.toml
@@ -9,6 +9,5 @@
 
 [dependencies]
 syn = { path = "../../.." }
-#quote = "0.5"
-quote = { git = 'https://github.com/dtolnay/quote' }
+quote = "0.5"
 proc-macro2 = { version = "0.3", features = ["nightly"] }
diff --git a/examples/lazy-static/lazy-static/Cargo.toml b/examples/lazy-static/lazy-static/Cargo.toml
index e602cfc..a1e7e3b 100644
--- a/examples/lazy-static/lazy-static/Cargo.toml
+++ b/examples/lazy-static/lazy-static/Cargo.toml
@@ -9,6 +9,5 @@
 
 [dependencies]
 syn = { path = "../../../", features = ["full"] }
-#quote = "0.5"
-quote = { git = 'https://github.com/dtolnay/quote' }
+quote = "0.5"
 proc-macro2 = { version = "0.3", features = ["nightly"] }
diff --git a/examples/trace-var/trace-var/Cargo.toml b/examples/trace-var/trace-var/Cargo.toml
index c48f4af..0ab5afe 100644
--- a/examples/trace-var/trace-var/Cargo.toml
+++ b/examples/trace-var/trace-var/Cargo.toml
@@ -9,6 +9,5 @@
 
 [dependencies]
 syn = { path = "../../../", features = ["full", "fold"] }
-#quote = "0.5"
-quote = { git = 'https://github.com/dtolnay/quote' }
+quote = "0.5"
 proc-macro2 = { version = "0.3", features = ["nightly"] }