Fixes #428: included makefiles should inherit specified translations.
Clean-up: remove `is_null` throughout the code base.
Clean-up: replace `sizeof()` by `count()`.
resolving symlinks in drush shell script fails if path contains spaces
Remove ancient argument documentation for site-ssh.
Remove drupal_mapp_assoc(), follow change notice https://drupal.org/node/2207453
Merge pull request #491 from andypost/master

Issue-490 Remove drupal_map_assoc()
Merge pull request #474 from damz/pr/cleanups/master

Clean-up the code base (master), getting rid of is_null().
Fix unish_file_delete_recursive() out of sync with drush_delete_dir()
Add SqlBase. Early days.
Some progress.
Remove unused function.
Remove getDefaultTheme()
Port sql-query, sql-drop, and sql-create to new sql classes.
Revert "Port sql-query, sql-drop, and sql-create to new sql classes."

This reverts commit e8634ed845b1bec20d94e93ebabed5ef87d7c74b.
Revert "Revert "Port sql-query, sql-drop, and sql-create to new sql classes.""

This reverts commit 19dcfb6189bd832255c429facaaaa9b984ce02d2.
Revert "Port sql-query, sql-drop, and sql-create to new sql classes."

This reverts commit e8634ed845b1bec20d94e93ebabed5ef87d7c74b.
Revert "Remove unused function."

This reverts commit abfb5eb73fef3e8954833e762e5af86bbbb4f72e.
Revert "Some progress."

This reverts commit 54c9968f2f1c5b224834cb692197e0eecc01f68a.
Revert "Add SqlBase. Early days."

This reverts commit c6ac66d91547f97c79c3164d0dbff0ffb95c8750.