- task: rename some functions to avoid namespace conflicts in addon modules

- task: rename "Your album" to "My Album"

- bugfix: fatal error: class 'GalleryCoreApi' not found & gallery_base not set on manual config (#226268)

- task: switch G2 debug mode (buffered)

- bugfix: bad ids for install table (#207843)
- bugfix: install still checks for gsitemap module (#208872)

(requires G2.3/svn and is still volatile, for early testing only)