Fix configure script

Use 'echo -e' to interpret \t and \n
echo -e is bash-specific, use bash instead of sh in shebang.

diff --git a/configure b/configure
index 83578a2..351cfa3 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
-#! /bin/sh
+#! /bin/bash
 
 echo "THIS COMMAND IS NOT AVAILABLE!"
 echo "Since v3.4 we use cmake. Now use:"
-echo "\tcmake -DCMAKE_INSTALL_PREFIX=<where_you_want> .\n\tmake\n\tmake install." 
+echo -e "\tcmake -DCMAKE_INSTALL_PREFIX=<where_you_want> .\n\tmake\n\tmake install."