Fix: JSON Content Type has file extension .js
Restore missing styles for .x-grid-link
Restore missing styles for .x-grid-link

* origin/pr/11384:
  Restore missing styles for .x-grid-link
Changed extension of JSON content type from .js to .json

* origin/pr/11380:
  Fix: JSON Content Type has file extension .js
Initial postgres commit
Bit more to initial commit
Loads of sql escapes, added override methods to pgsql objects
Minor fixes here and there
bug-11226 fix to postgres
Minor fix once again
Fixes to pgsql driver and manager
minor xpdo fix
minor minor fix
Minor fixes to query escaping
Fixing pgsql invalid integer errors with php type casting
Escapes
Fixed TVs and modified schema for registry where PK had two keys
reverting changes to modLexicon done earlier
Slight modification to query, encapsulated under pgsql so no core changes