Fix attribute deprication warning -

src/main.rs:48:14: 48:42 warning: phase(syntax) is a deprecated synonym for phase(plugin)
Rename depricated attribute
Remove crate_id attribute from apps
Merge pull request #92 from errordeveloper/fix_silly_warning

Fix attribute deprication warnings

Reviewed-by: farcaller
Enable zinc tests
Add tests to CharIO
Fix LCD pixel function argument types
This comparison is useless due to type limits
This should work, but needs a unit test
Added a dummy test to LCD driver
Need to make TestCharIO public
Add TestLCD stub 2-dimentional pixbuf
Add tests for drawing and fix b45f3fe
Do not recompile tests on host triple, isn't going to change
Styling and cleanup
If those aren't nils or zeroes, we have bigger problems to care about
Refactor while loops in favour of for range
Complete test coverage on LCD module
Add todo note on observed issue