Re: pre-sprint survey: changes that should go into darcs 2.10.2

An update, here are the patches that are currently accepted for darcs
2.10.2 are:

  * remove redundant import
  * drop sandi lower bound to support GHC 7.4 and add an upper bound
  * Switch from dataenc (deprecated) to sandi
  * replace changes by log in two help strings
  * make patch selection lazier in presence of matchers
  * resolve issue2444: added default interactivity parameter to isInteractive
   * resolve issue2463: building darcs on powerpc
  * resolve issue2457 (replace --diffalgorithm and --repoformat with
single flags)
  * require text>=1.2.1.3 if using ghc 7.10
  * require text>=1.2.1.2 if using ghc 7.10
  * Add missing file for 'renames.sh' test