use composer components for external assets
update ignore list
add parameter whether using components is enabled
revert unwanted debug from 27efdfee
cleanup assets from release package
exclude: po
Merge branch 'components'

Package release assets with component installer for composer
fix errors in upgrade/ldap_import.php
remove support of upgrading from earlier than 2.2 versions

the upgrade process was rather manual and difficult to explain and get it right
move database config to setup.php, to be reusable from tests
installer: write db config in setup.php
upgrade: handle new db config
sphinx can execute script if it is executable
fix setup page look
edit_reporter: add translation to history entry
test jquery-chosen
Merge pull request #10 from glensc/upgrade-cleanup

remove support of upgrading from earlier than 2.2 versions
Merge pull request #11 from glensc/db-config

move db config out of config.php
css fixes for chosen one
few more select multiple