Fix ViewAxisLabel
Add possibility to pass an input image as first argument without flag

Closed #18
Remove useless outputs and set default font

* Uncomment QT_QMAKE_EXECUTABLE
* Improve the display on different platforms
Closes #19
Add the Overlay feature only via CLI

Closes #20
ImageViewer application window title

* Factorized and improvement of the code
Closes #17
Add find_package Qt4

Closes #21
Build ITK as STATIC

Closes #22
Merge branch 'CLI-fast-image-viewer'

# By Chrystel Juan
# Via Chrystel Juan
* CLI-fast-image-viewer:
  Build ITK as STATIC
  Add find_package Qt4
  ImageViewer application window title
  Add the Overlay feature only via CLI
  Remove useless outputs and set default font
  Add possibility to pass an input image as first argument without flag
  Fix ViewAxisLabel