Sentry-cli

- Made npm install compatible with ES5
- Solved a potential issue with spaces in file paths for npm installation
- Added automatic update check (can be disabled with `update.disable_check` in the config
or the `SENTRY_DISABLE_UPDATE_CHECK` environment variable)
- Resolved a crash when uploading empty files
- Lowered default symbol upload size to work around some server limitations

- added ability to upload proguard files with a forced UUID
- added `difutil uuid` command to print the UUID(s) of a mapping file to stdout

- Improved the `no-upload` flag to proguard upload
- Added debug info files debug commands

- Added support for disabling desktop notifications (only affects xcode builds so far)
- Added support for uploading proguard files on supported sentry server versions

- Fixed installation for npm

- Put `sentry-cli.exe` directly into the `bin/` folder on windows for npm installations