added code to click on image and get point x,y

image is read from bla2.png
data is saved to a somefile.txt
added the data image, and extracted csv file

fixed something in click image, now handles really big images
introduce new workflow: click ref point, click measure_line point 1, click measure_line point 2, scale the rest of the points
Results from MatLab

* The data was collected using click_image.py and imported to 100_points.mat
* dfittool was used
    * dfittool_plot was saved as pdf
    * dfittool_results of fit were saved as txt
    * createFit script was generated from dfittool as createFit.m
centered the whiteout
improved the script a bit. added reference point marker, added possibility to use different scale from command line, now possible to select scale line in any direction
fixed bug in output file name reading
click image changed colours, added our names

other minor doc changes. Open Sourcing.
Merge branch 'master' of github.com:moriarty/click-on-data into click-on-image

Merging subtree split with open github repo