GitLab

(NFC) Update CRM/Cxn CRM/Dashlet CRM/Export CRM/Extension and CRM/Financial files to new coder style

This is a simple administrative update to the headers. It was generated with the command:

```
rgrep '| CiviCRM version 4.7' CRM/ Civi ang api bin extern install/ settings/ templates -l \
  | xargs sed -i'' "s/| CiviCRM version 4.7/| CiviCRM version 5  /g"
```

Tthe inclusion of `|` aimed to avoid matching any non-header text (e.g. inline docs that
mentioned the version incidentally). But then I did a looser search and for just

```
rgrep 'CiviCRM version 4.7'
````

and manually patched the remainder.

Note: I'm not really keen on doing this every month, so I relaxed the header
statement -- instead of `CiviCRM version 5.0`, it's just `CiviCRM version 5`.

CRM-19715 (IIDA-96), removed opening_balance and current_period_opening_balance field from civicrm_financial_account table and code

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* CRM-19715:
  https://issues.civicrm.org/jira/browse/CRM-19715

CRM-19715, added DAO changes

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* CRM-19715: Remove Close Accounting Period code
  https://issues.civicrm.org/jira/browse/CRM-19715

CRM-19715, removed upgrade code to drop fields from civicrm_financial_account table

----------------------------------------
* CRM-19715: Remove Close Accounting Period code
  https://issues.civicrm.org/jira/browse/CRM-19715

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* CRM-19587: DB Error when trying to delete FInancial Account
  https://issues.civicrm.org/jira/browse/CRM-19587

* CRM-16189, added form fields on financial account form

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* CRM-16189: Improve support for Accrual Method bookkeeping
  https://issues.civicrm.org/jira/browse/CRM-16189

* CRM-16189, updated code to change class and other changes

----------------------------------------
* CRM-16189: Improve support for Accrual Method bookkeeping
  https://issues.civicrm.org/jira/browse/CRM-16189

* CRM-16189, fixed jenkins error

----------------------------------------
* CRM-16189: Improve support for Accrual Method bookkeeping
  https://issues.civicrm.org/jira/browse/CRM-16189

* --CRM-16189, updated JS

Fixed CRM_Core_PseudoConstant::accountOptionValues hardcoded values, breaking multilingual installs.

1. These annotations are useful in PHP4-style code.
2. These annotations are useless in PHP5-style code. Either they're redundant with the code, or they contradict the code.
3. In cases where there are contradictions, I don't think there's anyway for us to generally resolve the contradiction except to say, "The code is right."
4. As a developer reading .php files, I look at the code and *never* look at @access.

Transfer responsibility for page title from tpl to php.
Add setPageTitle helper method to CRM_Core_Form.
And a bit of misc form/tpl cleanup

VAT-86-94-224 Added validation when 'Is Tax?' is checked. Checked for financial account to have 'Is Tax?' enabled. Add validation on edit for 'Is Tax?'.