unictype/bidi*: Rename modules. * modules/unictype/bidiclass-all: Renamed from modules/unictype/bidicategory-all. * modules/unictype/bidiclass-name: Renamed from modules/unictype/bidiclass-name. (Description): Update. * modules/unictype/bidiclass-name-tests: Renamed from modules/unictype/bidicategory-name-tests. * modules/unictype/bidiclass-byname: Renamed from modules/unictype/bidicategory-byname. (Description): Update. * modules/unictype/bidiclass-byname-tests: Renamed from modules/unictype/bidicategory-byname-tests. * modules/unictype/bidiclass-of: Renamed from modules/unictype/bidicategory-of. (Description): Update. * modules/unictype/bidiclass-of-tests: Renamed from modules/unictype/bidicategory-of-tests. * modules/unictype/bidiclass-test: Renamed from modules/unictype/bidicategory-test. (Description): Update. * modules/unictype/bidiclass-test-tests: Renamed from modules/unictype/bidicategory-test-tests. * modules/unictype/bidicategory-all: New file, a simple redirection. * modules/unictype/bidicategory-name: Likewise. * modules/unictype/bidicategory-byname: Likewise. * modules/unictype/bidicategory-of: Likewise. * modules/unictype/bidicategory-test: Likewise. * modules/unictype/property-bidi-* (Dependencies): Update. * lib/unictype/bidi_*.c: Update comment.