modx1: initial easy2 gallery files
modx1: first release of new feature color alter image
modx1: save link to color file in filename field, new color file overrides old, deleting of the main image does the same to color one
modx1: admin panel show files ASC sorted, filename in mouse hovers, color files can be deleted, fix something
modx1: fix template in case of color file error (3+ months later)