[opengrok] Restart ctags for the next file to be indexed if ctags dies

[trond.nor...@sun.com]

Author: Trond Norbye <trond.norbye at sun.com>
Repository: /hg/opengrok/trunk
Latest revision: 431cfe0de585871577810fb31e6e69c9fab7b8e9
Total changesets: 1
Log message:
Restart ctags for the next file to be indexed if ctags dies

Files:
        update: src/org/opensolaris/opengrok/analysis/Ctags.java
        update: src/org/opensolaris/opengrok/analysis/plain/PlainAnalyzer.java