Main changes

Fix Linux version (was not using correct ExifTool binary path)
Add File -> Open menu item
Add dock icon for Linux AppImage
Mac quit entire app when File -> Close menu item is selected
Linux clean up About screen
Update app start text to show that ExifCleaner also supports video and PDF files.

Full change list

Merge pull request #23 from szTheory/dependabot/npm_and_yarn/acorn-6.4.1 6b79e0e
Merge pull request #29 from szTheory/feature/menu-file-open be9512c
Fixes #9, #27 - Add a File -> Open menu item. Mac close app on File -> Close Window menu item. aa171b5
Fixes #25 and #26 - Icon now shows on Linux taskbar for AppImage install and About screen 8a129a1
remove console.log ae599f9
Bump acorn from 6.4.0 to 6.4.1 64061ed
Fixed #15 Linux AppImage/.deb file error finding binary in .resources dir 76ebf49
remove unused electron-updater npm dep (was left over from when I started the project and had auto-update enabled) 1c48094
remove unused dist-exiftool npm dep (left over from when I first started the project) 2e0f474
fix .gitignore rule for exiftool binaries, a wildcard was excluding them from version control e3ae0bd
README clean up Publishing a New Release section 8d4fe02
README clean up Development section 62efdcd
README simplify Install section e475f71
Add version and total downloads badges to README b0e27ab
README 5fd09e6
update drag and drop prompt text to make it clear that ExifCleaner supports videos and PDFs as well 759a658
expand features list in README 930de75
add list of supported file types to README 0a58f5a
README description update 3f38ee9
add Contributing section to README 97b43c8
add video file support to README b1821f7