keep selected row after refresh project list fixes #86, fixed some re…

…lease note urls from #73, remove excess "Ready" status messages, dont show upgrade dialog if only running unity fixes #45, add download in browser button for unity updates,

add enter and esc keys to upgrade dialog #fixes 80, fix release note …

…urls fixes #73, if no matching upgrade version set first row selected, fix HaveExactVersionInstalled (returned true for null version), download missing version button now shows version number in target url, fix missing statuslabel, add button to launch adb logcat fixes #62, release 28

"set close after project: false" as default, remove update checker an…

…d build powershell script, add 2019 to nearest version search

fixed #73, fixed #74

fix version detector crash fixes #64

adjust button/tab names

fix prebuild event output path for special characters

fix prebuild event output path for special characters

add msgbox in case of rare settings error

Update README.md