toolforge 5.0.0-alpha.2

Small library for common tasks on Wikimedia Toolforge
Documentation
## 5.0.0-alpha.2 / 2021-10-10
* Have docs.rs build for all features

## 5.0.0-alpha.1 / 2021-10-10
* Bump major version to 5 to be in sync with python-toolforge
* Use local hostnames for connection_info! if local key is set in 
  replica.my.cnf
* Hide documentation for `get_db_connection_info` to indicate it is prviate
  despite being public for use in a macro

## 0.3.1 / 2021-09-18
* Switch back to `dirs` crate, maintained once again
* Upgrade to `rust-ini` 0.17

## 0.3.0 / 2021-06-19
* No changes from 0.3.0-beta.1

## 0.3.0-beta.1 / 2021-02-01
* Switch to new Wiki Replicas multi-instance architecture

## 0.2.2 / 2021-01-23
* Switch to maintained `dirs-next` crate

## 0.2.1 / 2021-01-23
* Treat replica.my.cnf as ini, not toml

## 0.2.0 / 2020-09-15
* Add "mysql" feature for getting connection information to Wiki Replicas
* toolforge::user_agent! now returns `&'static str` to allow use in constant
  expressions

## 0.1.1 / 2020-08-28
* Add `toolforge.is_on_toolforge()`

## 0.1.0 / 2020-08-28
* Initial release