Remove TableInfo hierarchy, add TableType hierarchy#600

Merged

aozarov merged 5 commits intogoogleapis:masterfrom

mziccard:bigquery-hierachies

Feb 2, 2016

Commits on Jan 29, 2016

Remove TableInfo hierarchy, add TableType hierarchy
mziccard
committed

Commits on Feb 1, 2016

Commits on Feb 2, 2016

Rename TableDefinition to StandardTableDefinition and BaseTableDefinition to TableDefinition
mziccard
committed