* use elastic-charts for histogram
* add class accessibility
* specify onElementClick type annotation
* set chartElement tooltip type to Follow
* use moment methods for now annotation logic
* move historam inside directive folder
* remove unused timechart directive
* remove dependency from tsvb brush handler
* remove non-required class to fix tooltip overflow
* change the cursor/crosshair
* fix(ie11): add fixed width for header text
* fix: annotation colors on dark theme
* unpdate click and brush ui functional tests
* move functional tests to percy
* [ftr/percy] integrate percy with functional test runner
* execute ftr within `percy exec`
* share PERCY_BIN and GRUNT_BIN vars in setup
* [license] whitelist `(Unlicense OR Apache-2.0)`
* [percy] include pr/parallel info in env
* echo the actual variable value
* destructure required modules
* [ci] calculate percy env in a script
* remove outdated eslint overrides
* oops, nonce should be the same for each build
* take snapshots in context tests
* add percy snapshots to some dashboard tests
* account for extra execution of PERCY_BIN
* remove usage of percy service
* rename service to `visualTesting`
* write a simple test
* switch left-over percy test to visualTesting
* set log level for percy agent
* trigger ci
* try using the system chrome install instead of downloading one
* fix export definition
* Don't skip chromium download
* Add Spencer's fix to point to chrome installation
* Attempting to split tests into own ci job and test files
* Renumber job
* Add tag to decorations file
* Try new files with existing CI job
* Try again to create a new CI job
* Fix eslint problem with space
* eslint updates
* fix console test
* make test names unique
* Update ci group names
* Try old name again
* save
* add separate visual_regression ci job
* add visual regression ci job
* add new job to jobs.yml
* update path to take_percy_snapshot script
* use fixed percy job total
* fix common services import
* move visual_create_and_add_embeddables to visual_regression project
* finish moving create_and_add_embeddables
* add x-pack visual regression job
* migrate dashboard_snapshots tests to visual_regression
* remove references to removed test files
* restore some unnecessary changes
* reimplement the login page tests
* yarn.lock update
* fix test
* remove old CI_GROUP 100 block
* update failed_tests trap
* reduce yarn.lock changes
* disable debug logging
* disable visual-regression tests for now, we can enable them in specific prs
