v0.6.2 - linux optimized release

What's Changed

• Issue #64: Persist Write Sync flag; show Write* in Mode; keep UI lean by @vpstackhub in #77
• Issue #74: allow concurrent versions to be installed and run
• optimized for linux build (windows build has margin)
• swapped events and disk location on bottom panel
• updated msi entry name and references to JDiskMark
  Full Changelog: v0.6.1...v0.6.2