Improv. 5: Update Analogues_2.0 package

[neojavan]

Analogues_2.0 has a number of improvements including:
• Updated to R v3
• Increased speed: data is converted to matrices before performing calculations, merges are performed using do.call(merge,x) and snowfall only splits the calculation over the minimum required number of cpus.
• Simultaneous use of climatic and bioclimatic variables
• You may use multiple growing seasons and they may run over the New Year
• More accurate statistic: when performing runs using monthly data the climatic distance is divided by the number of months used.
• Results are saved in 3 dp
Required action:
Make “Backwards” the default direction

Benefits:
This will save time for users