Fixed physicalmedium -> physicalMedium in qa_reports.
Added remove parameter to copy_prop module.

-Added removal of prop if remove is True
-Added joining/appending to to_prop
-Updated profiles to remove prop that is copied to dataProvider
 Updated move_dates_to_temporal to move only isolated date values.
Added support for stripping multiple characters.
Added stripping the creator field to all profiles.
Addedd support for multiple dates in enrich_date module.
Added stripping the creator field to all profiles.
Moved enrich-subject module further in the pipe.
Added enrich-subject module usage for coverage and format fields.
Fixed the enrich-subject urls.
Fixed a bug in exist function.
Created new 'cleanup_value' module.

* Cleans a value removing a bunch of characters from the beginning
  and the end of the string.
* Modified all profiles to use the new module for fields:
  - creator
  - coverage
  - format
Enhanced the cleanup_value module:

* Accepts list of properties.
* Handles strings as well as array of strings.
Refactoring of the cleanup_value module.
Modified the profiles to use one call to cleanup_value instead of three.
Modified enrich-format module.
Merge remote-tracking branch 'origin/scdl_fixes' into scdl_fixes