Keep PDF in memory (Not yet tested)
[FrontEnd] Added new Activity

Going to be used for testing of the PDF display
[FrontEnd] Multiple things tested

- ScrollView with an ImageView
- Transparant sCanvasContainer
- Saving sCanvasView to a Bitmap
[BackEnd] Created project for memo uploader
[BackEnd][ScriptUploader] Removed Unused import
[BackEnd][MemoUploader] Project Setup

- Added pdfbox library
- Created MemoProcessor Class
[BackEnd][MemoUploader] Load file into memory

- Added test file
- Implement code to open file
[BackEnd][MemoUploader] Coded text extraction
[BackEnd][MemoUploader] Added new test file
[BackEnd][MemoUploader] Removed test file
[BackEnd][MemoUploader] Re-added test file
[BackEnd][MemoUploader]

- Split into question and answer started
[BackEnd][MemoUploader] Change to comment
[BackEnd][ScriptUploader] File handling changes

- Removed null initialisation of scannedPDF variable
- This creates an unwanted PDF file on disk
[BackEnd][MemoUploader] Line added to gitignore
[BackEnd][MemoUploader] Question Processing Changes

- End marker, {end}, used
- Memo data saved to file
[BackEnd][ScriptUploader] Removed unused imports
[FrontEnd] Added activity for main marking screen
[FrontEnd] Added Tabs for Question Navigation
[FrontEnd] Removed unused imports and ViewPager