added new image format options

Preparations

In the themes\advanced\in-bulletin\elements\side_boxes\polls.elm.tpl template add below code at the beginning of poll_element element:

<img src="<inp2:Field name='Image' format='resize:480x640;crop:100|200;quality:10;orientation:auto'/>" border="0" alt="<inp2:Field field='Question'/>">
<img src="<inp2:Field name='Image' format='resize:x480;orientation:landscape'/>" border="0" alt="<inp2:Field field='Question'/>">
<img src="<inp2:Field name='Image' format='resize:x480;orientation:portrait'/>" border="0" alt="<inp2:Field field='Question'/>">
<img src="<inp2:Field name='Image' format='resize:640x480;output_format:png'/>" border="0" alt="<inp2:Field field='Question'/>">

<img src="<inp2:Field name='Image' format='resize:5000x5000;output_format:png'/>" border="0" alt="<inp2:Field field='Question'/>">
<img src="<inp2:Field name='Image' format='resize:5000x5000;output_format:jpg'/>" border="0" alt="<inp2:Field field='Question'/>">
<img src="<inp2:Field name='Image' format='resize:5000x5000'/>" border="0" alt="<inp2:Field field='Question'/>">

Testing

1. Make sure In-Bulletin module is active and advanced theme is selected as default theme
2. Go to Catalog & Website → Polls section
3. Create poll without answers, but with big enough (more than 640x480) landscape jpg image
4. Go to front-end forums.html page
5. Confirm, that 1st image shown is landscape, bad quality, cropped by horizontal axis 2x more, than by vertical
6. Confirm, that 2nd image shown have height 480px
7. Confirm, that 3rd image shown have width 480px
8. Confirm, that 4th image shown is in png format
9. Confirm, that 5th image (for this to work uploaded image must be less than 5000x5000) has png extension
10. Confirm, that 6th image (for this to work uploaded image must be less than 5000x5000) has jpg extension
11. Confirm, that 7th image (for this to work uploaded image must be less than 5000x5000) has jpg extension

Crash testing

In the themes\advanced\in-bulletin\elements\side_boxes\polls.elm.tpl template, in the code, added at the beginning of poll_element element, change requested format part value, refresh page and see result:

1. Change quality to -5
2. Confirm that exception "Quality value "-5" is out of 0..100 integer range." is thrown
3. Change quality to 105
4. Confirm that exception "Quality value "105" is out of 0..100 integer range." is thrown
5. Change quality to 1.5
6. Confirm that exception "Quality value "1.5" is out of 0..100 integer range." is thrown
7. Change quality to 100
8. Change output_format to tiff
9. Confirm that exception "Output format value "tiff" is out of [jpg,png,gif,bmp,auto] range." is thrown
10. Change output_format to png
11. Change orientation to normal
12. Confirm that exception "Orientation value "normal" is out of [auto,manual,portrait,landscape] range." is thrown
13. Change orientation to portrait
14. Where orientation is auto change resize to 480x
15. Confirm that exception "Both width & height parameters must be specified." is thrown
16. Where orientation is auto change resize to x640
17. Confirm that exception "Both width & height parameters must be specified." is thrown
18. Where orientation is auto set resize to 480x640