Merge pull request #221 from antograssiot/3.0

3.0 update timer bar creation
add usage of ESC
Don't inflect env var names in panel display.
Merge pull request #225 from cakephp/3.0-env-vars

3.0 env vars
fix CS
code refractoring
update to keyboardListener
Merge pull request #227 from antograssiot/3.0-improve-UI

3.0 add usage of ESC
Add some visual indicators of which request is active.

Use a green indicator so the 'Current Request' text looks more clicky.
Fix wording as per #214
replace Cake\utility by Cake\Filesystem

when use of File an Folder classes
Merge pull request #231 from cake17/3.0-change-namespaces-file-folder

replace Cake\Utility by Cake\Filesystem
replace also namespaces for Debugger & Number

Cake\Utility\Debugger => Cake\Error\Debugger
Cake\Utility\Number => Cake\I18n\Number
Merge pull request #232 from cake17/3.0-change-namespaces-file-folder

replace also namespaces for Debugger & Number
update namespaces
Merge pull request #233 from cakephp/history-tweaks

History tweaks
Merge pull request #234 from antograssiot/3.0-namespace

3.0 - update `Cake\Error\NotFoundException`
Sync docblocks, fix CS errors.
Add flag to ignore phpcs warnings and move phpcs build off allowed_failures.
Fix CS errors.