[eclass] kdevelop tarballs are now all .xz
[dev-util/kdevelop] Sync with portage.

Package-Manager: portage-2.2.15
[dev-util/kdevplatform] Sync with portage.

Package-Manager: portage-2.2.15
[dev-util/kdevelop-python] Sync with portage.

Package-Manager: portage-2.2.15
[dev-util/kdevelop-php] Sync with portage.

Package-Manager: portage-2.2.15
[dev-util/kdevelop-php-docs] Sync with portage.

Package-Manager: portage-2.2.15