Adobe’s new Ligthroom 5.2 and DNG Converter 8.2 now support the new Olympus E-M1 and Panasonic GX7 cameras. You can download the firmware by clicking those links:
Lightroom 5.2 for Windows
Lightroom 5.2 for Mac
DNG Converter 8.2 for Windows
DNG Converter 8.2 for Mac