image 5.x-2.0-alpha4

Another alpha release to get recent bug fixes out there and getting tested.

Bug fixes:
#403044: php notices - image by sun: Fixed PHP notice in image gallery when gallery is empty.
#295293: image_gallery defines view without URL set by joachim: Removed $view->url of image_gallery default view.
#455768: image_get_sizes() called from .install file by sun: Fixed image_get_sizes() called but not loaded in .install file.
#228886: mark attached unpublished images similarly to unpublished nodes by joachim: Fixed missing CSS class on unpublished attached images.
#225024: Incomplete path is used in image module resulting in unnecessary php warnings by sun: Fixed filepaths not always prefixed with file_directory_path().
#185081: image_file_download tries to transfer non-existing files by sun: Fixed image_file_download tries to transfer non-existing files.
#390008: inconsistent label for regenerating images in content admin by joachim, sun: Fixed inconsistent node mass-operation title.
#338159: Image* not using proper table aliases for db_rewrite_sql() by sun: Fixed improper table aliases in db queries for db_rewrite_sql().
#361874: image_gallery uninstall assumes taxonomy.module enabled; fails if it's not by sun: Fixed Image Gallery uninstall fails if Taxonomy was disabled at
the same time.
#220281: Empty height and width attributes in the generated image tags by sun: Fixed empty width/height attributes in image tags if image size
detection failed.

New features and changes:
#158805: Remove derivative image size rebuild messages by sun: Removed derivative image size rebuild messages.
#207340: group admin settings pages together by joachim, sun: Changed location of module administration pages.
#357890: Allow more image size presets by Robbie Sternenberg: Added dynamic expansion of image preset
configuration form to allow for more than 6 sizes.
#350511: Configurable number of images in Latest/Random blocks by simon.males, sun: Added option to configure number of images for
latest/random image blocks.