Some changes to updater
Link change log button to blog
Update CHANGELOG.md
Fix Windows updater exec
change close button css on help modal
Update help.styl
Confirm install for windows
Remove windows path check

Removed the path check for windows update.
TODO: Found a way to get installed path of NSIS build.
Add check for win testInstalled
use existing loading
Update package.json
Mod: Updated settings logic and added default location when choosing the directory.