Try country-dependent jQueryUI localization files

When we load the jQueryUI, we should check if there's a file with full
locale code (eg ui.datepicker-zh-CN.js) before trying to load the file
with language-only code (eg ui.datepicker-zh.js).
Better representation of method parameters

- Let's try to retrieve the constant names (so that the output won't
  contain installation-dependent constant values, for instance
  DIR_FILES_THEMES instead of '/git/concrete5-5.7/web/application/themes')
- Correctly represent 'empty' values: 0, false, empty arrays are now
  represented as they are (and not as null or empty strings)
Fix session cookie options

Set default cookie_path and correctly set cookie_httponly
Don't use SESSION_COOKIE_PARAM_DOMAIN

In my testing enviro SESSION_COOKIE_PARAM_DOMAIN was not defined, so my
browser received this header:

Set-Cookie: ccmAuthUserHash=...; expires=...; path=/; domain=SESSION_COOKIE_PARAM_DOMAIN

Clearly a problem...
Call getDefaultValueConstantName just once
Translate Search in user points
bug fix for package uninstall

adds array check for attribute uninstall where no search attribute key
is present.
Import permissions fix
make uPreviousLogin nullable
reworking doctrine ORM to use annotations in files properly; reworking test suite to include all tests
more work with tests and metadata
adding doctrine cli helper
making doctrine orm cli tool work
remove duplicate container
Merge pull request #184 from Remo/patch-5

remove duplicate container
Translate the name of the log level
Add comments to log levels
more page path tests, page path event
Merge pull request #185 from mlocati/translate-log-levels

Translate log levels
Introduce display names for log level/channel

- let's adopt getLevelDisplayName instead of getLevelName
- introduce getChannelDisplayName