v1.5.3

Changes

• Improve update check by setting a shorter timeout (by @Rosalie241)
• Improve update download by using the progress dialog (by @Rosalie241)
• Improve error handling when downloading the ModAPI fix (by @Rosalie241)
• Remove internet check (by @Rosalie241)
• Remove unrequired version checks (by @Rosalie241)
• Remove DownloadDialog and use ProgressDialog instead (by @Rosalie241)