Similar to #798 (Activities) or #545 (Tags) we need to build generic feature Notes & Comments.

For each type of record (e.g. Contacts, Organizations, Employees, Invoices, etc), we should be able to add some notes which will be displayed in like timeline style (i.e. it's a list of notes, most recent notes at the top, oldest at bottom of the list). Note: it is possible that some entities already

In current search feature, in transaction list, we only can search in selected year and month. In category detail page, we can search only for selected category, swith given date range. Same behaviour with partner detail page.

We need to create ability to search all transactions in all time, all category and all partner.

The first approach is to add all_months option on month filter and `a