v4.5.1.dev19: Update branch (#117)

* Page browser back after every print to PDF

* Optimization: load file contents directly into browser without intermediate file

* Half the DPI for the image render

* Leverage PDF text extraction as alt. to OCR for speed

* Add env to control DPI to PDF conversions

* cast int as string

* dedup code segments

* Use memory buffer for collecting OCR data

* hotfix append result section even if not performing term detection

* Bugfix: Use `extracted_text` for PDF phishing check

* Bugfix for request.temp_submission_data

v4.5.0.stable12

Bugfix for request.temp_submission_data

v4.5.0.stable11

Bugfix: Use `extracted_text` for PDF phishing check

v4.5.1.dev18

Use memory buffer for collecting OCR data

v4.5.1.dev17

dedup code segments

v4.5.1.dev16

cast int as string

v4.5.1.dev14

Leverage PDF text extraction as alt. to OCR for speed

v4.5.1.dev13

Half the DPI for the image render

v4.5.0.stable9: Merge pull request #116 from CybercentreCanada/reduce_image

Add optional env to control image resolution + use text extraction from PDF before using Tesseract

v4.5.0.stable10

hotfix append result section even if not performing term detection