added variables description for France

ms/Makefile

-all: 
-	Rscript knit_site_description.R
-
-clean:
-	rm -f output/*
-
-.PHONY: all clean

ms/metadata/France/files/dataIFN.FRANCE.csv

-use,var,units,description
-0,idp,,
-0,a,,
-0,veget,,
-0,simplif,,
-0,acci,,
-0,espar,,
-0,ori,,
-0,lib,,
-0,mortb,,
-0,c13,,
-0,ir5,,
-0,htot,,
-0,r,,
-0,age,,
-0,w,,
-0,YEAR,,
-0,datemort,,
-0,dead,,
-0,SER,,
-0,sgdd,,
-0,WB.y,,
-0,WB.s,,
-0,WS.y,,
-0,WS.s,,
-0,MAT,,
-0,SAP,,
-0,xl93,,
-0,yl93,,
-0,dep,,
-0,csa,,
-0,plisi,,
-0,sfo,,
-0,incid,,
-0,dc,,
-0,tplant,,
+use	var	units	description		
+1	idp	NA	plot number (a single census)		
+1	a	NA	tree number within the plot		
+1	veget	NA	1 alive 2 or 3 dead		
+1	simplif	NA	indicator with tree with only dbh measurement no growth		
+1	acci	NA	0 tree not damaged else tree damaged (1 broken 2 partil unrooten 3 bended 4 burned)		
+1	espar	NA	species code		
+1	ori	NA	origin of the tree (0 resprout 1 from seed 2 resprout from windthrown tree)		
+0	lib	NA	percentage of canopy in full light in three class (0 	 between 0 and 2/3 	 more than 2/3)
+0	mortb	NA 	percentage of branch mortality in 5 classes		
+1	c13	cm	circumference at 1m30		
+1	ir5	mm	radial growth over 5 years ( !!! not diameter growth)		
+1	htot	m	height		
+0	r	%	percentage of wood of bad quality		
+1	age	yr	age		
+1	w	1/ha	weighting fqtcor to convert qt hectqr bqsis		
+1	YEAR	yr	year of measurment		
+1	datemort	NA	died less than 5 years ago =1 more than 5 years ago =2		
+1	dead	NA	0 alive 1 dead		
+1	SER	NA	ecoregion (first letter large scale ecoregion number smaller division)		
+1	sgdd	?/day	sum of degree days above 5.56?C		
+1	WB.y	mm	water budget in mm over the year		
+1	WB.s	mm	water budget in mm over the growing season		
+1	WS.y	NA	water stress index over the year		
+1	WS.s	NA	water stress index over the growing season		
+1	MAT	?C	mean annual temperature		
+1	SAP	mm	annual sum of precipitation		
+1	xl93	m	x in lambert 93		
+1	yl93	m	y in lambert 93		
+0	dep	NA	French department (admin region)		
+0	csa	NA	type of forest 1 closed forest 2 small patch 3 open forest		
+1	plisi	NA	presence of forest edge		
+1	sfo	NA 	forest structure in 5 class		
+0	incid	NA	percentage of disturbance in 5 classes only after 2009		
+1	dc	NA	type of harvesting 0 = no harvesting orther harvesting		
+1	tplant	NA	type of plantation 0 = no plantation other plantation		

ms/metadata/France/files/species.csv

-use,var,units,description
-0,var,,
-0,code,,
-0,French_name,,
-0,Latin_name,,
-0,Latin_name_syn,,
-0,Exotic_Native_cultivated,,
+use	var	units	description
+1	code	NA	species code = espar in IFN file
+1	Latin_name	NA	Latin name
+0	 Exotic_Native_cultivated	NA	exotic native