Added a self.message variable in MongoCurious to keep track of error
messages.
build() function for svg plots now called directly by the respective
plotting classes, not Mongo Curious.
cleaning up get_axis() function
"No data here" message appears for methylation collection
Invalid start and end points are sent as message to server.
Merge branch 'master' of
https://github.com/apfejes/epigenetics-software.git

Conflicts:
	Epigenetics/Illustration/MethylationPlot.py
	Epigenetics/MongoDB/mongoUtilities/MongoCurious.py
Error messages function for Chipseq as well
Merge branch 'master' of https://github.com/apfejes/epigenetics-software.git