Add classes for tokenizing.
	new file:   src/main/java/cz/muni/kisk/rsr/tokenizer/AuthorityRecord.java
	new file:   src/main/java/cz/muni/kisk/rsr/tokenizer/AuthorityTokenizer.java
	new file:   src/main/java/cz/muni/kisk/rsr/tokenizer/Main.java
	new file:   src/main/java/cz/muni/kisk/rsr/tokenizer/StringToken.java
	new file:   src/main/java/cz/muni/kisk/rsr/tokenizer/StringTokenType.java