File list (Check if you may need any files):
admin.php
api.php
changelog.txt
config
......\standard
......\........\config.php
files
include
.......\class.calendar.php
.......\class.chat.php
.......\class.datei.php
.......\class.datenbank.php
.......\class.emailer.php
.......\class.hft_image.php
.......\class.ical.php
.......\class.image.php
.......\class.importer.php
.......\class.message.php
.......\class.milestone.php
.......\class.mylog.php
.......\class.openid.php
.......\class.PclZip.php
.......\class.PHPmailer.php
.......\class.project.php
.......\class.roles.php
.......\class.rss.php
.......\class.search.php
.......\class.settings.php
.......\class.Smarty.php
.......\class.smtp.php
.......\class.tags.php
.......\class.task.php
.......\class.tasklist.php
.......\class.TCPDF.php
.......\class.timetracker.php
.......\class.toXml.php
.......\class.user.php
.......\class.vCard.php
.......\class.xls.php
.......\Config_File.class.php
.......\font
.......\....\freeserif.ctg.z
.......\....\freeserif.php
.......\....\freeserif.z
.......\....\freeserifb.ctg.z
.......\....\freeserifb.php
.......\....\freeserifb.z
.......\....\freeserifbi.ctg.z
.......\....\freeserifbi.php
.......\....\freeserifbi.z
.......\....\freeserifi.ctg.z
.......\....\freeserifi.php
.......\....\freeserifi.z
.......\....\helvetica.php
.......\....\helveticab.php
.......\....\helveticabi.php
.......\....\helveticai.php
.......\initfunctions.php
.......\internals
.......\.........\core.assemble_plugin_filepath.php
.......\.........\core.assign_smarty_interface.php
.......\.........\core.create_dir_structure.php
.......\.........\core.display_debug_console.php
.......\.........\core.get_include_path.php
.......\.........\core.get_microtime.php
.......\.........\core.get_php_resource.php
.......\.........\core.is_secure.php
.......\.........\core.is_trusted.php
.......\.........\core.load_plugins.php
.......\.........\core.load_resource_plugin.php
.......\.........\core.process_cached_inserts.php
.......\.........\core.process_compiled_include.php
.......\.........\core.read_cache_file.php
.......\.........\core.rmdir.php
.......\.........\core.rm_auto.php
.......\.........\core.run_insert_handler.php
.......\.........\core.smarty_include_php.php
.......\.........\core.write_cache_file.php
.......\.........\core.write_compiled_include.php
.......\.........\core.write_compiled_resource.php
.......\.........\core.write_file.php
.......\js
.......\..\ajax.php
.......\..\chat.js
.......\..\jsval.php
.......\..\lytebox.php
.......\..\mycalendar.js
.......\..\mycalendar_orig.js
.......\..\prototype.php
.......\..\tiny_mce
.......\..\........\langs
.......\..\........\.....\bg.js
.......\..\........\.....\bs.js
.......\..\........\.....\ca.js
.......\..\........\.....\cn.js
.......\..\........\.....\cs.js
.......\..\........\.....\da.js
.......\..\........\.....\de.js
.......\..\........\.....\el.js
.......\..\........\.....\en.js