Add some comments to all the existing defined ztasks

tasks/echo.ztask

@@ -1,3 +1,8 @@
+/*
+ * The echo test takes a string and just uses the shell `echo` on the target
+ * to echo it back
+ */
+
 task Echo {
     parameters {
         msg {

tasks/install/freebsd.ztask

@@ -1,3 +1,7 @@
+/*
+ * Invoke pkg-install(8) on the FreeBSD machine
+ */
+
 task FreeBSDPkgInstall {
     parameters {
         packages {

tasks/install/zypper.ztask

@@ -1,3 +1,7 @@
+/*
+ * Invoke zypper install on a openSUSE/SLES target
+ */
+
 task ZypperInstall {
     parameters {
         packages {

tasks/shell/bash.ztask

@@ -1,3 +1,10 @@
+/*
+ * The bash task is a simple passthrough to bash.
+ *
+ * Since bash is not guaranteed to be in the same location on every machine
+ * This relies on /usr/bin/env to help find bash in the $PATH on the target
+ */
+
 task Bash {
     parameters {
         script {

tasks/shell/sh.ztask

@@ -1,3 +1,7 @@
+/*
+ * The sh task is a simple passthrough to /bin/sh on the target machine
+ */
+
 task Sh {
     parameters {
         script {