Sync with Factory
- Trim irrelevant parts from description.

- Update 1.14.0 stable
- Added lv2pkgconfig.patch to fix .pc files.
- Upstream changes:
* eg-sampler: Support thread-safe state restoration.
* eg-sampler: Fix handling of state file paths.
* eg-scope: Don't feed back UI state updates.
* lv2core: Add lv2_util.h with lv2_features_data() and
lv2_features_query().
* lv2core: Add lv2:enabled designation.
* buf-size: Add bufsz:nominalBlockLength option.
* buf-size: Add bufsz:coarseBlockLength feature.
* log: Add lv2_log_logger_set_map() for changing the URI map of
an existing logger.
* state: Add LV2_STATE_ERR_NO_SPACE status flag.
* state: Add state:threadSafeRestore feature for dropout-free
state restoration.
* time: Define LV2_TIME_PREFIX.
* worker: Improve documentation.
* ui: Improve documentation.
* ui: Add missing property labels.

- Update to lv2 (1.12.0) stable.
- Disable documentation build for less than Tumbleweed,
- Upstream changes:
*Fix merging of version histories in specification documentation
*eg-sampler: Support patch:Get, and request initial state from UI
*Simplify property restrictions by removing redundancy.
*eg-sampler: Add gain parameter.