Merge pull request #155 from nrf-rs/release

Prepare for 0.15.1 release.

Merge pull request #149 from nrf-rs/release

Prepare for 0.15.0 release.

Merge pull request #141 from nrf-rs/release

Prepare for 0.14.0 release.

Merge pull request #89 from nrf-rs/release-0.13

Bump version to 0.13 to get the discovery book out of a pickle

Bump version to 0.12.0

Merge #64

64: Bump version to 0.11.0 r=therealprof a=robyoung

See: [CHANGELOG.md](/CHANGELOG.md)

### Added

- Added support for the thumbv7em-none-eabi target for microbit:v2 (same as
  thumbv7em-none-eabihf but without hardware floating point support)

### Changed

- Rearrange LED display modules under the same root module and change their
  APIs to be more aligned with each other.
- Add BLE Beacon demo.
- Add a simple speaker demo for micro:bit V2.
- Add Board struct following the pattern used in other nrf board support crates.
- Add magnetometer example.
- LEDs on the micro:bit V1 are now turned off per default
- UART(E) is now exposed in the same way as I2C


Co-authored-by: Rob Young <[email protected]>

Add missing CHANGELOG.md link

Signed-off-by: Daniel Egger <[email protected]>

Merge pull request #51 from robyoung/bump-version-to-v0.10.0

Bump version to v0.10.0

Merge pull request #42 from robyoung/release-v0.9.0

Bump version to v0.9.0

Bumped versions and adjusted code for digital::v2

Signed-off-by: Daniel Egger <[email protected]>