Document releasing process (#71)

Author: Empty2k12

RELEASING.md

@@ -0,0 +1,28 @@
+# How to release this crate
+
+This project consists of two crates which need to be published to crates.io in the correct order. Additonally, there's some steps one's likely to miss when releasing.
+
+## Pre-Release-Checklist
+
+- [ ] `influxdb/Cargo.toml` and `influxdb-derive/Cargo.toml`: Bumped `influxdb` and `influxdb-derive` versions to new version number?
+- [ ] `influxdb/Cargo.toml`: Changed `influxdb` dependecy on `influxdb-derive` to new version number?
+- [ ] `CHANGELOG.md`: Remove all entries from the unreleased section
+- [ ] `CHANGELOG.md`: Add new Section for the new version number with subsections `Added`, `Changed` and `Fixed`.
+- [ ] `CHANGELOG.md`: For each commit since the last release commit `Release vX.Y.Z`, added a changelog entry in the correct section linking to the author and PR in this format?
+    ```
+    ([@GithubUserName](https://github.com/GithubUserName) in [#PRNumber](https://github.com/Empty2k12/influxdb-rust/pull/PRNumber))
+    ```
+- [ ] `CHANGELOG.md`: At the bottom, changed the unreleased section link to `NEWVERSIONNUMBER...HEAD` and created a new link for the current release?
+- [ ] `influxdb/lib.rs`: Changed the version number mentioned in the doc-comment to the new version number?
+- [ ] `influxdb/lib.rs`: If the release contains any new features that should be mentioned in the Github Readme, are they listed in the doc-comment?
+- [ ] `terminal`: Updated README with `cargo readme -r influxdb -t ../README.tpl > README.md`?
+- [ ] `terminal`: Verified there are no errors with clippy `cargo clippy --all-targets --all-features -- -D warnings`?
+
+## Releasing
+
+1) `git add .` and `git commit -m "Release vX.Y.Z"`
+2) `git tag vX.Y.Z`
+3) `git push origin master` and `git push --tags`
+4) `(cd influxdb-derive/ && cargo publish)`
+5) `(cd influxdb/ && cargo publish)`
+6) Create a Release in the Github Web UI