Add slider for Image Chooser preview size, contain config
Refine Image Chooser Preview slider action
Add Image Chooser Zoom slider action
Add image filters for Portables and Raster formats
Fix updating sensitivities for embed/unembed pictures
Disable ImageChooser remote pictures by default
Relocated gschem-warning.png toplevel geda_warning.png
Use f_path_sys_data() instead of toplevel->bitmap_directory
Return fallback image instead of NULL when loading pictures
Use u_string_sprintf instead of g_strdup_printf
Fixed issues with function eda_renderer_draw_picture
Fix typo, add comment i_command.c
New function u_string_strconcat, clean string module
Add new function f_get_bitmap_filespec
Utilize libgeda function f_get_bitmap_filespec
Rename u_string_strconcat to shorter u_string_concat