Fix: Use correct encoding for the organization given by the environment variable. (Redmine issue: #7553)

(Redmine issue: #7581, #7582, #7583, #7584)

(Redmine issue: #7571)

* This was missed during the migration to Jinja 3.
* In Jinja 2.10, the parameter 'indentfirst' of function do_indent()
  was marked deprecated and a functionally identical 'first' was added.
* In Jinja 3.0, the deprecated functionality was removed, in this
  upstream commit:
  https://github.com/pallets/jinja/commit/b0015c72d5acbf93b9d99a1ce6167889338db85b

(Redmine issue: #7583)

(Redmine issue: #7544)

(Redmine issue: #7544)

(Redmine issue: #7544)

(Redmine issue: #7544)

(Redmine issue: #7544)

(Redmine issue: #7544)

Conflicts:
	lib/hawat/blueprints/reports/__init__.py

(Redmine issue: #7544)

(Redmine issue: #7566)

(Redmine issue: #7578)

(Redmine issue: #7578)

There is an endpoint /api/reports/dashboard that provides JSON document containing overall reports statistics. The data is the same as with the /reports/dashboard view. (Redmine issue: #7578)

(Redmine issue: #7544)

(Redmine issue: #7544)

(Redmine issue: #6227)