Fixed bug 'using of alias with information schema tables in views'
removed compiler warnings


mysql-test/r/information_schema.result:
  More test cases are added
mysql-test/t/information_schema.test:
  More test cases are added
sql/sql_select.cc:
  Fixed bug 'using of alias with information schema tables in views'
sql/sql_show.cc:
  Fixed bug 'using of alias with information schema tables in views'
  Changed length of some columns
sql/table.h:
  Fixed bug 'using of alias with information schema tables in views'
tests/client_test.c:
  Changed length of some columns