GitLab

also added a couple commas or missing spaces

doc/guide/admin.xml
src/lib/dhcpsrv/dhcpsrv_messages.mes
src/lib/dhcpsrv/lease_file_loader.h
    minor clean up, typos

src/lib/dhcpsrv/tests/csv_lease_file4_unittest.cc
src/lib/dhcpsrv/tests/csv_lease_file6_unittest.cc
    removed unnecessary use of scoped_ptr

src/lib/util/csv_file.cc
    CSVRow::trim() - replaced use of std::vector<>::erase with resise

src/lib/util/versioned_csv_file.h
src/lib/util/versioned_csv_file.cc
    VersionedCSVFile::next() - reorganized to use input_schema_state_
    VersionedCSVFile::columnCountError() - new convenience method
    minor cleanups

Several minor cleanup items based on review comments.  Implemented
support for downgrading files from newer schema versions:

doc/guide/admin.xml
    amended text on upgrading memfile to discuss downgrading

src/lib/dhcpsrv/dhcpsrv_messages.mes
src/lib/dhcpsrv/lease_file_loader.h
    revamped log messages to accomodate downgrading

src/lib/dhcpsrv/memfile_lease_mgr.cc
src/lib/dhcpsrv/memfile_lease_mgr.h
    added commentary to MemfileLeaseMgr ctor
    automatic conversion logic accomdates both upgrading and downgrading

src/lib/dhcpsrv/tests/csv_lease_file4_unittest.cc
src/lib/dhcpsrv/tests/csv_lease_file6_unittest.cc
    replaced tooManyHeaderColumns test with downGrade test

src/lib/util/csv_file.h
src/lib/util/csv_file.cc
    added CSVRow::trim()

src/lib/util/tests/csv_file_unittest.cc
    added CSVRow.trim test

src/lib/util/tests/versioned_csv_file_unittest.cc
    added VersionedCSVFileTest.currentSchemaTest test
    replaced tooManyHeaderColumns test with downGrading test
    revamped tests to check  getInputSchemaState() and needsConversion()

src/lib/util/versioned_csv_file.h
    Updated commentary to describe downgrade support

src/lib/util/versioned_csv_file.cc
    enum InputSchemaState
    input_schema_state_
    input_header_count_
    getInputHeaderCount()
    getInputSchemaState()
    needsConversion()

    next(CSVRow& row) - now supports downgrading rows
    validateHeder() -  now throws if called when no schema has been defined,
    and supports downgrading rows

Added extra wording about restarting PostgreSQL.

Minor cleanup. Lease dump tests for both MySQL and PostgreSQL
now use multiple timestamps values.

Minor changes to admin text.

doc/guide/admin.xml
    Admin guide mistakenly showed -d for database-name, changed to show -n

The edit also included a reorganisation of the sections.