UPDATE: variable name on parameter: replace KEY by PARAMETER_NAME, like in other class step.
ADD: document in site for new step FastQC.
FIX: add save exception when comparison is fail.
UPDATE: exception message for testng, listing all files.
Merge branch 'master' of https://code.google.com/p/eoulsan

Conflicts:
	src/main/java/fr/ens/transcriptome/eoulsan/steps/fastqc/FastQCStep.java
UPDATE: remove duplicate tabulation in message exception.