Added clipboard replacing enabling/disabling, some updates

-Made ClipboardManager clear clipboard if something besides text is copied to clipboard
--Will not count towards failCount
-Made ClipboardManager exit with status 1 if it fails too much (changed from 0)
-Changed MainWindow main text and title to "StringReplacer"
-Added "Enable/Disable Clipboard Replacing" button to MainWindow
-Added Replacer.java
--Manages clipboard replacing
-Removed clipbard replacing code from StringFinder.main()
-Made program print out word and definition whenever a new word is created
-Changed version to 1.0.1