pidgin/nest

Update for the 2.14.3 release
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12 days ago, Sorvival
d386f4debb86
Update for the 2.14.3 release

- Modify config.toml to use the new version
- Add notes for 2.14.3 to ChangeLog
- Add blog post for Pidgin 2.14.3

Testing Done:
ran `dev-server.sh` and verified contents were the expected

Reviewed at https://reviews.imfreedom.org/r/600/
---
title: 3.0.0
date: 2019-09-04T02:46:13.000Z
anchor: 3.0.0
replaces: []
lastmod: 2019-09-04T03:42:40.000Z
---
Pidgin 3.0.0 is the in-development next major version of Pidgin. Its build
instructions are quite different than Pidgin 2.x.y and have not yet been
full documented.