Lemoncheesecake

- **HTML report**: fix various issues on extra info mouse over for IE/Edge

- **HTML report**: add various extra information on mouse over for suites, tests, steps and logs
- **HTML report**: automatically expand test when report is accessed using an anchor
- **API**: add new suite/test decorator `disabled` to disable a test or a complete suite
- **API**: rename `check` into `log_check` (keep `check` for backward compatibility)
- **API**: in `match_pattern` matcher use `search` instead of `match` of `re` module
- Fix `contains_string` matcher match description message
- Fix `dict` matcher module name into `dict_` to avoid conflicts with builtin `dict`
- **JSON report**: rename `sub_suites` into `suites`

- **API**: Change key=value parameters of `project.py` files into a ProjectConfiguration class

- Fix JUnit bad test serialization (successful checks reported as failures)

- **reporting**: add JUnit reporting backend
- **API**: all methods/functions/classes/modules with the "testsuite" form (whatever the case is) have been renamed into "suite" in order to make the testsuite/suite naming more coherent (both forms were previously used)

- **lcc run**: add new CLI options --exit-error-on-failure and --stop-on-failure
- rename `lcc tree` command back into `lcc show`
- Fix `contains_string` matcher