* fix(minor): Changed error message display in printview
* fix: Check for HTML on creation of Print Format
The printview will remain as it is.
Validation of HTML while Custom Format is checked and Raw Printing isn't checked in Print Format.
* fix: Improved handling of no template found in Printview
User will see 'No preview found' instead of error prompt with path in it
Validation on Print Format refactored slightly.
* Codacy fixes
* feat: Access log doctype for logging information about private file
downloads, backups downloads, printing and exporting data
* updated: access log
* updated: formattted access_log.js
* access logging: print/pdf/pvt files/export/backup
client side implementation: treeview, query_report
server side implementation on the rest
* fixes: codacy errors
* Update response.py
* Update response.py
* Update response.py
* codacy: please
* travis fixes
* changes:filters=>_filters(lol this works @ times?)
added: tests for access_log, make_access_log formatting, form ui added
buttons
* this hopefully fixes em tests
* changes: fixed indents, session.user, formatting
* fixes: tests, refactor, permissions
emerging from exporter.py => reference doctype in export_data (check
format!)
* fixes: convert dict to json
* changes: added more tests, wrote lesser code?
switched js to display depends on
* fixes: codacy and hopefully travis
* fix: tests? and polishing up
* added column field, removed tracked views
changed access log in exporter.py > export_data
added access log in reportview.py > export_query
* style: Fix indentation
* style: Fix indentation
* fix: Remove problematic string replace
It may replace quotes in the actual filter values which can result in invalid JSON
* fix: Remove filter string conversion
* fix: Error due to quote escapes
TODO: Check for a better way
> fixing confusing naming in the UI and calling it "Raw Print"
> used import for sha256 library
> changed the Print Preview message for raw print
> same possible codacy fixes
