Final update of figures.
Only print powers of 10 on the y-axis.
Merge changes suggested by P. de Buyl.
Merge pull request #16 from riccardomurri/master

Add paper "Performance of Python runtimes on a non-numeric scientific co...
Resolve figure conflict.

Merge branch 'murri' into tmp_murri_merge

Conflicts:
	papers/murri/CPU_time_of_Python_runtimes_M04.pdf
	papers/murri/CPU_time_of_Python_runtimes_M05.pdf
	papers/murri/CPU_time_of_Python_runtimes_M13.pdf
	papers/murri/CPU_time_of_Python_runtimes_M21.pdf
	papers/murri/CPU_time_of_Python_runtimes_synopsis.pdf
	papers/murri/Max_used_memory_of_Python_runtimes_M04.pdf
	papers/murri/Max_used_memory_of_Python_runtimes_M05.pdf
	papers/murri/Max_used_memory_of_Python_runtimes_M13.pdf
	papers/murri/Max_used_memory_of_Python_runtimes_M21.pdf
	papers/murri/Max_used_memory_of_Python_runtimes_synopsis.pdf
Fix figure arrangement.
Merge branch 'master' of https://github.com/riccardomurri/euroscipy_proceedings into murri