Remove regtest actions, introduce build-all actions:

- regtest was not easy to use
- one may wish to simply build all samples
- introduce a per-sample automatic build

 /trunk/docs/overview.txt  |   19    14     5     0 ++++++++---
 /trunk/samples/samples.mk |   92    49    43     0 ++++++++++++++++++++++++++++-------------------------
 /trunk/ct-ng.comp         |    8     5     3     0 +++--
 3 files changed, 68 insertions(+), 51 deletions(-)

1 files changed, 5 insertions, 3 deletions

diff --git a/ct-ng.comp b/ct-ng.comp
index 7560751..b0e0dc8 100644
--- a/ct-ng.comp
+++ b/ct-ng.comp
@@ -8,19 +8,21 @@ _ct-ng () {
 
     samples=$(${COMP_WORDS[0]} list-samples 2>/dev/null)
     show_samples=$(echo "${samples}" |sed -r -e 's/(^| )/\1show-/g;')
+    build_samples=$(echo "${samples}" |sed -r -e 's/(^| )/\1build-/g;')
 
     steps=$(${COMP_WORDS[0]} list-steps 2>/dev/null |awk '$1 == "-" { print $2; }')
     start_steps=$(echo "${steps}" |sed -r -e 's/($| )/\1+/;')
     stop_steps=$(echo "${steps}" |sed -r -e 's/(^| )/+\1/;')
 
     actions='help menuconfig oldconfig saveconfig
-             list-samples build build. list-steps regtest regtest-local
-             regtest-global clean distclean wiki-samples updatetools
+             build build. build-all build-all.
+             list-samples list-steps
+             clean distclean wiki-samples updatetools
              tarball version'
 
     vars="RESTART= STOP="
 
-    ct_ng_opts="${samples} ${show_samples}
+    ct_ng_opts="${samples} ${show_samples} ${build_samples}
                 ${steps} ${start_steps} ${stop_steps}
                 ${actions} ${vars}"