rename concordance core package from org.Txm.function.concordance to org.txm.concordance.*
externalize concordance core messages
fix org.txm.macro project java build path to be able to run groovy from Eclipse
add macro to get String from tbx core messages*.properties file : GetStringsFromPropertiesFile
replace rcpapplication with rcp
transfert some preferences to TBXPreferences
fix groovy nature of the groovy core project
add groovy core project : contains all groovy files (imports, macro and scripts)
Share project "org.txm.groovy.core" into "https://forge.cbp.ens-lyon.fr/svn/txm/tmp"