Saves single page image as PDF in thumbnail size and quality.
Naming duplicates fixed using recursion and regexes. Bitmap orientation and scaling is now proper.
Inserts all bitmap thumbnails into multi-page pdf file.
Camera returns full image. Adds to gallery.
Changed from PNG to native JPEG in pdf for faster upload and smaller files.
Merge pull request #4 from nick11roberts/pdf_functionality

Let's go, almost to BETA!!!