Prepare versioning for release v0.28
Merge branch 'feature/us-87' into dev
task/us89-ta26 -- TPP to send notifications for ParcelPoint ADP
deliveries - Exporter impact

* documentation update
task/us89-ta27 -- Inbound FTP (ParcelPoint) support for multiple
target directories

nparcel/ftp.py
* new method copy_to_multiple_directories() to copy a list of files
  into a list of target directories
* update the inbound() method to provide support for multiple target
  directories
task/us89-ta27 -- Inbound FTP (ParcelPoint) support for multiple
target directories

* slight rework to patch the tests
task/us87-ta25 -- Refactor the nparcel.StopParser module to support
TCD columns

nparcel/b2cconfig.py
 nparcel/conf/nparceld.conf
* remove all trace of mts in attribute names
* refactor the pe_in attribute to mapper_in_dirs to align with Mapper
  functionality opposed to Primary Elect

nparcel/mapperdaemon.py
* source inbound directories from mapper_in_dirs config item instead
  of the defunct pe_in_dirs

nparcel/ondeliverydaemon.py
* update the default report_file_format to align with TCD
  ('TCD_Deliveries_\d{14}\.DAT')