Added a way to ignore invalid SSL certs (ownCloud)

Added a checkbox titled "Ignore invalid SSL certificate" to ownCloud tab
Merge pull request #234 from Jusonex/master

Added a way to ignore invalid SSL certs (ownCloud)
Merge pull request #235 from michalx2/master

Add extension filters to after capture actions
Make sure ssl bypass dispose
File delete will move file to recycle bin
Added "Upload folder" to menu
Need to use active window
New ShareX logo and icon
Showing transparent logo on main window, 16x16 icon changes
Logo/Icon changes
fixed #247: Added pomf.se uploader
Actions support output extension now so you can use things like 7-Zip (Args: a %output %input)
fixed #255: Console output should be UTF8
fixed #244: Video source can be "None" which allows to only record sound
Check is both FFmpeg source is not "None"
Logo color changes, Json.NET updated
fixed #256: Name parser %yy for 2 digits year
fixed #258: Hotkey for open screenshots folder
-Add API information link at the top of Pushbullet.cs
-Readability/consistency improvements for Pushbullet.cs;
-Update FileUpload code in Pushbullet.cs to work with v2 of the PB API;
---Add new serialization objects for file upload request responses;
---Add more null checks since null responses may be more likely now;
-Remove unnecessary response data from old deserialization objects;
-Add Pushbullet as a URLSharingService (it is :D);
-Change classes from public to private;
-Move Pushbullet entry to FileUploaders in UploadersConfig.cs