Issue #2380429 by tibbsa, hussainweb, jhodgdon, markat: Clean-up search module test members - ensure property definition and use of camelCase naming convention

Issue #2395395 by alexpott, effulgentsia, Gábor Hojtsy: TestBase lacks a config method to be used consistently in tests

Issue #2336177 by alexpott, YesCT: Fixed ConfigurableLanguage cannot be created/removed directly, integrate language_save() and language_delete().

Issue #2287727 by yched, swentel, alexpott: Rename Field[instance]Config classes and entity types (again).

Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #735154 by jhodgdon, pwolanin: Fixed search_touch_node()/search_mark_for_reindex() should not update if already touched.

Issue #2156661 by Jalandhar, jsbalsera, ianthomas_uk, sidharthap, jhodgdon: Search admin menu entry uses "settings" -- UI-text standards violation.

Issue #2178643 by ianthomas_uk, jhodgdon, jayeshanandani: Indexing status can show a negative percentage of content as having been indexed.

Issue #2111887 by Gábor Hojtsy, kfritsche, vasi1186, dclavain, YesCT, segi: Regression: Only title (of base fields) on nodes is marked as translatable.

Issue #2003482 by pwolanin, jhodgdon, kim.pepper, Nick_vh, tim.plunkett, jibran, Berdir, effulgentsia, alexpott: Convert hook_search_info() to plugin system.

Issue #1497374 by yched, chx, amateescu, plach, Damien Tournoud, fago, swentel: Switch from Field-based storage to Entity-based storage.

Issue #1754246 by webflo, swentel, penyaskito, andypost, alexpott, YesCT, dagmar: Languages should be configuration entities.

Issue #1981342 by aspilicious, andypost, swentel: Drop procedural usage of fields in [s-u-v] modules.

Issue #1818556 by das-peter, plach, fago, Berdir, vijaycs85: Change notice: Convert nodes to the new Entity Field API.

Issue #1739994 by pp, das-peter, Gábor Hojtsy: Use the Language class universally instead of stdObj instances.