* add child doctype - Cash Flow Mapping Account
* adds new doctype - Cash Flow Mapping
* adds new doctype - Cash Flow Mapper
* adds new doctype Cash Flow Mapping Template
* adds new doctype Cash Flow Mapping Template
* adds adjustments to Cash Flow Mapper:
- remove fields from Cash Flow Mapping Template Details
- update in Cash FLow Mapper
* get cash_flow_accouts from Cash Flow Mapping
* change `tmp` to `mappers` and make sure `mappers` is sorted by its `position` field
* changes description from 'Net Profit/Loss' to 'Profit for the year'
* set `net_profit_loss` `parent_account` properly
* modify `get_account_type_based_data`:
- changed signature such that `account_type` parameter is now `account_name`
- where clause in query is now based on `name`
* remove zero rows
* de-duplicates row, summing similar accounts in the process
* makes gl sum calculation use `parent_account` as a condition
* add the `section_leader` immediately after adding net profit, sorts `accounts` by `is_working_capital` field
* adds `is_working_capital` to "account_types" so that we can use this to determine when to add "Changes in working capital" for operating activities
* add "Movement in working capital" subheader
* refactor code for readability
* adds new fields to `Cash Flow Mapping`:
- `is_interest_paid` to allow me recognise accounts for 'Interest Paid'
- `is_income_tax_paid` to allow me recognise accounts for 'Income Taxes Paid'
* allow `Cash Flow Mapping` to be renamable
* adds new field - `section_subtotal` useful for only Operating Activities
* changes `Cash Flow Mapping` doctype fields:
- remove `is_income_tax`_field
- add `is_income_tax_liability` field to identify tax payable accounts
- add `is_income_tax_expense` field to identify tax expense accounts in P or L
* calculates and shows tax paid adjustment in cash flow statement
* renames `is_interest_paid` to `is_finance_cost`
* - adds finance costs calculation
- correctly sets opening balance dates
* prevents users from selecting extra options in Cash Flow Mapping
* adds validation to prevent selecting multiple options
* adds new fields to Cash Flow Mapping
* calculate non cash p or l items (2nd pass)
* separates default cash flow generation from custom
* adds new setting to Accounts Settings:
- allow user elect to use customised cash flow report
* clean up
* removes mandatory constraint from accounts field
* allow rename, disallow create and delete
* adds patch to add default Cash Flow Mappers
* refactors custom_cashflow
* add article to explain configuration
* refactor
* further refactor
* final clean up (hopefully)
* clean up for codacy
* more codacy fixes
* more codacy fixes
* fix broken patch
* rename article to .md
* create default mappers after install
* PEP 8
* create the tables in `after_install` call
