[opengrok] We shall remain JDK 1.5 compatible (refactoring use of String isEmpty)

[lubos.ko...@sun.com]

Author: Lubos Kosco <Lubos.Kosco at Sun.COM>
Repository: /hg/opengrok/trunk
Latest revision: 6b2a1779b1d24156cad005f6d1d33551902d3093
Total changesets: 1
Log message:
We shall remain JDK 1.5 compatible (refactoring use of String isEmpty)

Files:
        update: src/org/opensolaris/opengrok/history/BlameAndAnnotate.java
        update: src/org/opensolaris/opengrok/history/RazorHistoryParser.java