Update _qa_ex2.md
Update _fastq_ex2.md
Update _visualising_ex1.md
Update _counting_ex3.md
Merge pull request #1 from mgonzalezporta/2013.12-Norwich

2013.12 norwich
Update 24.counting.md
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Merge branch 'Cancer-Genomics-07-2014' of https://github.com/barzine/TeachingMaterial into Cancer-Genomics-07-2014

Conflicts:
	solutions/_counting_ex3.md
	solutions/_fastq_ex2.md
	solutions/_qa_ex2.md
	solutions/_visualising_ex1.md