Horde install directory can be provided on command line
phpdoc header
Try to do cleaner job of outputting status information
Fix function name
Fix PEAR install issue

Unfortunately, the way we build Horde_Translation creates static paths
in the file, which totally breaks when used in the phar environment.

For now, do a search/replace directly on these files to fix the issue.

Performance improvement: keep local copy of composer.phar so we don't
need to download when running install build script multiple times
Check for PEAR
Check PHP version
Log PEAR output