Moved serializing/deserializing from Downloadmap to file from service/activity to DownloadMap itself;
Started to add multirepository support;
Made resuming of activity more stable (sometimes empty queue items occured);
Added splashscreen;
Added backup & restore (to/from storage) capabilities for download queue;
Added validity check for read/write access of download directory preference;
Some cleanup & refactoring;
Removed default rom url value (makes no sense);
Updated binary;
Updated version;