README.md(s): use img.shields.io crate version badges

Author: tarcieri

base16ct/README.md

@@ -42,7 +42,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/base16ct
+[crate-image]: https://img.shields.io/crates/v/base16ct
 [crate-link]: https://crates.io/crates/base16ct
 [docs-image]: https://docs.rs/base16ct/badge.svg
 [docs-link]: https://docs.rs/base16ct/

base32ct/README.md

@@ -42,7 +42,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/base32ct
+[crate-image]: https://img.shields.io/crates/v/base32ct
 [crate-link]: https://crates.io/crates/base32ct
 [docs-image]: https://docs.rs/base32ct/badge.svg
 [docs-link]: https://docs.rs/base32ct/

base64ct/README.md

@@ -65,7 +65,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/base64ct
+[crate-image]: https://img.shields.io/crates/v/base64ct
 [crate-link]: https://crates.io/crates/base64ct
 [docs-image]: https://docs.rs/base64ct/badge.svg
 [docs-link]: https://docs.rs/base64ct/

cmpv2/README.md

@@ -35,7 +35,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/cmpv2
+[crate-image]: https://img.shields.io/crates/v/cmpv2
 [crate-link]: https://crates.io/crates/cmpv2
 [docs-image]: https://docs.rs/cmpv2/badge.svg
 [docs-link]: https://docs.rs/cmpv2/

cms/README.md

@@ -49,7 +49,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/cms
+[crate-image]: https://img.shields.io/crates/v/cms
 [crate-link]: https://crates.io/crates/cms
 [docs-image]: https://docs.rs/cms/badge.svg
 [docs-link]: https://docs.rs/cms/

const-oid/README.md

@@ -79,7 +79,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/const-oid
+[crate-image]: https://img.shields.io/crates/v/const-oid
 [crate-link]: https://crates.io/crates/const-oid
 [docs-image]: https://docs.rs/const-oid/badge.svg
 [docs-link]: https://docs.rs/const-oid/

crmf/README.md

@@ -35,7 +35,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/crmf
+[crate-image]: https://img.shields.io/crates/v/crmf
 [crate-link]: https://crates.io/crates/crmf
 [docs-image]: https://docs.rs/crmf/badge.svg
 [docs-link]: https://docs.rs/crmf/

der/README.md

@@ -71,7 +71,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/der
+[crate-image]: https://img.shields.io/crates/v/der
 [crate-link]: https://crates.io/crates/der
 [docs-image]: https://docs.rs/der/badge.svg
 [docs-link]: https://docs.rs/der/

der_derive/README.md

@@ -37,7 +37,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/der_derive
+[crate-image]: https://img.shields.io/crates/v/der_derive
 [crate-link]: https://crates.io/crates/der_derive
 [docs-image]: https://docs.rs/der_derive/badge.svg
 [docs-link]: https://docs.rs/der_derive/

gss-api/README.md

@@ -68,7 +68,7 @@ dual licensed as above, without any additional terms or conditions.
 
 [//]: # (badges)
 
-[crate-image]: https://buildstats.info/crate/gss-api
+[crate-image]: https://img.shields.io/crates/v/gss-api
 [crate-link]: https://crates.io/crates/gss-api
 [docs-image]: https://docs.rs/gss-api/badge.svg
 [docs-link]: https://docs.rs/gss-api/