Populating info about indexes for loaded classes. Does not work for auto indexes due to unknown column __id. Part of #2028.
Added column __id to meta-data for user-defined tables. Needed for #2028. Fixed regression tests. Fixed reload to reflect this change. Minor fix.
Removed double quoting for some keywords in test queries.
Merge branch 'develop' of github.com:Starcounter/Starcounter into feature/PopulateIndexMetadata2028
Refactored population of meta-data about indexes. Added population for user-defined indexes. Updated a test. Fails on database restart. Part of #2028.
Disabled population of references to materialized meta-data instances, since not needed and will be dropped. Part of #2028.
Merge branch 'develop' of github.com:Starcounter/Starcounter into feature/PopulateIndexMetadata2028
Deleting meta-data about index on index drop. Part of #2028.
FIxed queries during metadata index delete. Part of #2028.
Avoiding to add records for already existing indexes on reload. Part of #2028.
Added regression tests for populated meta-data about indexes on user-defined tables. Closes #2028.
Merge branch 'develop' of github.com:Starcounter/Starcounter into feature/PopulateIndexMetadata2028
Removed database deletion after test execution. Improved test on removing inherited column from extended index. Fixed test to run with index population.
Added dropping indexes in meta-data. Added inheriting changes in meta-data about indexes. Part of #2028.
Fixed minor bugs in queries. Part of #2028.
More testing. Part of #2028.
Fixed population of meta-data for columns and indexes in the case of inherited column updates. Closes #2028.
Fixed dropping database for test apps in the local case.
Merge branch 'develop' of github.com:Starcounter/Starcounter into feature/PopulateIndexMetadata2028

Conflicts:
	src/Hosting/Starcounter.Hosting/Package.cs
Replaced usage of TableId in meta-data population.
Replaced TableId usage for meta-data population.