Merge pull request #799 from mfournier/hiredis-switch

Switch redis & write_redis plugins from credis to hiredis

diff --cc README
Simple merge

diff --cc configure.ac
index 7b665a9,9c3dfed..78499a9
--- 1/configure.ac
--- 2/configure.ac
+++ b/configure.ac
@@@ -5772,10 -5625,9 +5773,10 @@@ Configuration
    Libraries:
      intel mic . . . . . . $with_mic
      libaquaero5 . . . . . $with_libaquaero5
 +    libatasmart . . . . . $with_libatasmart
      libcurl . . . . . . . $with_libcurl
      libdbi  . . . . . . . $with_libdbi
-     libcredis . . . . . . $with_libcredis
+     libhiredis  . . . . . $with_libhiredis
      libesmtp  . . . . . . $with_libesmtp
      libganglia  . . . . . $with_libganglia
      libgcrypt . . . . . . $with_libgcrypt

diff --cc src/Makefile.am
Simple merge

diff --cc src/types.db
Simple merge