Merge 2.x branch (newest 2.8) into Master.

See merge request uis/webcms/drupal-cambridge-profile!40

Resolved conflicts between Changelogs and the make files.

# Conflicts:
#   src/cambridge/CHANGELOG.md
#   src/cambridge/cambridge.info
#   src/cambridge/cambridge.make
#   src/cambridge_base.make
#   src/cambridge_lite/CHANGELOG.md
#   src/cambridge_lite/cambridge_lite.info

Merge 1.8.2 into Master

See merge request uis/webcms/drupal-cambridge-profile!41

Updated version of Drush in composer.json to Drush 8. Added Masquerade Module. Updated required theme version to 1.19.

New versions of features, date (to solve the php7.3 compatibility issue in Aegir) and media_youtube (to solve the new problem created at YouTube's end).

Module and theme upgrades for Profile version 2.6. Updated changelog, and module list in Readme file.

Removed patch to fancybox module - no longer needed. Updated dependencies in profile info file. Added new version of feeds_tamper to make file.

Latest upgrades and new versions of modules for the latest release of the profile. Updated changelog and version numbers for the profile.

Upgraded modules with necessary new versions for version 2.3 of the Profile. Updated changelogs. Changed profile version number in info files.

Necessary security and maintenance upgrades for the 1.8.2 branch.

Upgraded Context to version 3.10 for security fix. Removed Pathauto Persist module as no longer needed with the current version of Pathauto.

Removed Webform Conditional from this version of the Profile. Added appropriate instructions on how to manage the transition from Webform 3.x to 4.x