Add quickcheck support

[SkymanOne]

closes #1647

Notes

• Added #[ink_e2e::test(quickcheck = true)] arg
• Developer needs to do add additional argument to a function so quickcheck can pump input through. See example for demo.
• The quickcheck featured test takes way longer to run (~80s for a single test). Not sure whether it can be optimised, probable need to add notice for devs.
• The tests sometimes fail because of some logger error:

thread 'quickcheck_tests::e2e_tests::default_works' panicked at 'env_logger::init should not be called after logger initialized: SetLoggerError(())', /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/env_logger-0.10.0/src/lib.rs:1154:16

• I tried to use #[quickcheck] but it sits in separate crate quickcheck_macros and depends on quickcheck crate which sits behind dev_dependencies. I did not manage to re-export the attribute macro because it would complain about missing quickcheck dependency. If someone can explain to me how I can re-export quickcheck_macros, it is trivial to change back to attribute macro.

IMHO, quicktest would work better with regular #[ink::test] unit tests.

[SkymanOne]

Closing PR as it's outdated and requires a rework.