doc: fix anchors for "contributors to this release"

docs/_posts/2017-02-20-42.0.0-release.md

@@ -114,7 +114,7 @@ bd-infor (1):

* docs: clarify handling of loglevel [PR#711](https://github.com/pgjdbc/pgjdbc/pull/711) [6334bac0](https://github.com/pgjdbc/pgjdbc/commit/6334bac036efaa4a9f2a445f1cbdcc310f4c6263)

<a name="contributors_{{ version }}"></a>
<a name="contributors_{{ page.version }}"></a>
### Contributors to this release

We thank the following people for their contributions to this release.

docs/_posts/2017-05-04-42.1.0-release.md

@@ -71,7 +71,7 @@ slmsbrhgn (1):

* bug: fix data being trucated in setCharacterStream (the bug introduced in 42.0.0) [PR#802](https://github.com/pgjdbc/pgjdbc/pull/802) [28c98418](https://github.com/pgjdbc/pgjdbc/commit/28c98418b576394b7a0a4a6415ae86ba47be40ae)

<a name="contributors_{{ version }}"></a>
<a name="contributors_{{ page.version }}"></a>
### Contributors to this release

We thank the following people for their contributions to this release.

docs/_posts/2017-05-05-42.1.1-release.md

@@ -16,7 +16,7 @@ Vladimir Sitnikov (2):
* fix: infinite dates might be corrupted when transferred in binary for certain JREs [1e5bf563](https://github.com/pgjdbc/pgjdbc/commit/1e5bf563f41203417281117ed20b183cd295b4e0)
* chore: print "include notable changes" to the generated changelog [6bc4fe07](https://github.com/pgjdbc/pgjdbc/commit/6bc4fe0758510243d1f3cb56b0b1ae374117f7e4)

<a name="contributors_{{ version }}"></a>
<a name="contributors_{{ page.version }}"></a>
### Contributors to this release

We thank the following people for their contributions to this release.

docs/_posts/2017-07-12-42.1.2-release.md

@@ -52,7 +52,7 @@ Vladimir Sitnikov (7):
* chore: make ./release_notes.sh create docs/_posts/$DATE_YMD-$VERS-release.md file [e00d4571](https://github.com/pgjdbc/pgjdbc/commit/e00d4571bb6ca24c8f93956b59fd1c9a14131394)
* docs: add 42.1.2 release notes [6f127a61](https://github.com/pgjdbc/pgjdbc/commit/6f127a61eed5317133ea80f0a06f9441b170a17a)

<a name="contributors_42.1.2"></a>
<a name="contributors_{{ page.version }}"></a>
### Contributors to this release

We thank the following people for their contributions to this release.

docs/_posts/2017-07-14-42.1.3-release.md

@@ -16,7 +16,7 @@ Vladimir Sitnikov (2):
* doc: ensure changelog uses %Y-%m-%d format, not %Y-%d-%m [5d585aac](https://github.com/pgjdbc/pgjdbc/commit/5d585aac7e4f916d4b54dccd11c778143a1f7725)
* fix: NPE in PreparedStatement.executeBatch in case of empty batch [PR#867](https://github.com/pgjdbc/pgjdbc/pull/867) [7514552d](https://github.com/pgjdbc/pgjdbc/commit/7514552d2d105cb8e637e70c8e14ab7e36000ed4)

<a name="contributors_{{ version }}"></a>
<a name="contributors_{{ page.version }}"></a>
### Contributors to this release

We thank the following people for their contributions to this release.

release_notes_filter.pl

@@ -80,7 +80,7 @@
  print $subject.$pr." [".$shortSha."](https://github.com/pgjdbc/pgjdbc/commit/$sha)\n";
}

print "<a name=\"contributors_{{ version }}\"></a>\n";
print "<a name=\"contributors_{{ page.version }}\"></a>\n";
print "### Contributors to this release\n\n";

print "We thank the following people for their contributions to this release.\n\n";