SSDM-3401: searchMaterialTypes introduced, implemented and tested

...openbis/generic/server/asapi/v3/ApplicationServerApi.java

...s/generic/server/asapi/v3/ApplicationServerApiLogger.java

...api/v3/executor/material/ISearchMaterialTypeExecutor.java

...sapi/v3/executor/material/SearchMaterialTypeExecutor.java

...v3/executor/method/ISearchMaterialTypeMethodExecutor.java

.../executor/method/SearchMaterialTypeSqlMethodExecutor.java

...is/openbis/systemtest/asapi/v3/SearchDataSetTypeTest.java

...s/openbis/systemtest/asapi/v3/SearchMaterialTypeTest.java

...z/sis/openbis/generic/asapi/v3/IApplicationServerApi.java