Air Explorer 2.5.4, new version

List of changes: -Fixed Mediafire uploads. -Google Slide will be copied as PowerPoint(.pptx) instead of pdf. -Fixed Synology NAS WebDAV support. -Fixed some mail.ru accounts can not load. -Show logs for errors reading accounts. -Disable 0 value in bandwidth scheduler. -Synchronize between local files now show logs for each file copied. -Fixed issue when adding a repetition interval on the scheduled task. -Fixed bandwidth scheduler did not look good on screens configured to more than 100% screen resolution. -Copy arrows were not enabled to copy files between local locations. -Updated Chinese translation (thanks to GT Wang). -Updated Japanese translation (Thanks to Tilt). -Updated Polish translation (Thanks to Janusz). -Updated Russian translation (thanks to Timofey). -Added Myanmar Language translation (thanks to Chit Soe).