Collector 0.2.2

Merge branch 'wip'

CollectionPage: paginate item loading

Fix mypy warnings

Autocomplete: get only fields with index

form entry File: do not check file validity

Update debian reqs in README

Update CHANGELOG, TODO and translations

Add completion to search entry

complete fields names and allowed values

Add shortcut for create new collection

Menu items to launch external programs on collection folder

- browse collection folder
- open in terminal
- open with gitg

Create collection: add `error` class to entry widget

Update README

Disable clonecollection action until ready

Update tranlsations

Create new collection from open dialog

- move "open" button from headbar to the window
- add "create" and "clone" buttons
- add creation dialog, with input validation
- create a new collection, open it, and open settings dialog

Collector 0.2.1

Fix icon install

add script makerelease.sh

Collector 0.2.0