Implement Default for the geometry structs

See merge request !150

Remove arrayvec dependency

Closes #146

See merge request !149

cargo fmt

* image example: save to cwd

Implement Support for no_std

See merge request !145

Christopher Serr authored Sep 05, 2019 and Alex Butler committed Sep 05, 2019

This allows using rusttype on no_std targets by disabling the `std`
feature that is enabled by default and activating the `libm-math`
feature. On most targets you still want to keep the `has-atomics`
feature active, as that specifies that the target is capable of
supporting atomics, which only some embedded devices do not support.

Move tests, examples & benches into ./dev

See merge request !146

* Remove unicode-normalization
* Update CI & readme