Replaced reload section with proper function.

Added completion for reload.
Fixed order in completion
Added unit tests for completion
The variable BASH_IT_AUTOMATIC_RELOAD_AFTER_CONFIG_CHANGE has to be unset.

lib/helpers.bash

@@ -61,7 +61,7 @@ function reload_plugins() {
 bash-it ()
 {
     about 'Bash-it help and maintenance'
-    param '1: verb [one of: help | show | enable | disable | migrate | update | search | version ] '
+    param '1: verb [one of: help | show | enable | disable | migrate | update | search | version | reload ] '
     param '2: component type [one of: alias(es) | completion(s) | plugin(s) ] or search term(s)'
     param '3: specific component [optional]'
     example '$ bash-it show plugins'
@@ -72,6 +72,7 @@ bash-it ()
     example '$ bash-it update'
     example '$ bash-it search ruby [[-]rake]... [--enable | --disable]'
     example '$ bash-it version'
+    example '$ bash-it reload'
     typeset verb=${1:-}
     shift
     typeset component=${1:-}
@@ -95,8 +96,11 @@ bash-it ()
              func=_bash-it-migrate;;
          version)
              func=_bash-it-version;;
+         reload)
+             func=_bash-it-reload;;
          *)
-             func=_bash-it-additional-$verb $component "$@"
+             reference bash-it
+             return;;
     esac
 
     # pluralize component if necessary
@@ -106,10 +110,6 @@ bash-it ()
         else
             if _is_function ${func}es; then
                 func=${func}es
-            elif [[ $func =~ ^_bash-it-additional- ]]; then
-                echo "oops! $verb is not valid additional command"
-                reference bash-it
-                return
             else
                 echo "oops! $component is not a valid option!"
                 reference bash-it
@@ -256,6 +256,22 @@ _bash-it-version() {
   cd - &> /dev/null || return
 }
 
+_bash-it-reload() {
+  _about 'reloads a profile file'
+  _group 'lib'
+
+  cd "${BASH_IT}" || return
+
+  case $OSTYPE in
+    darwin*)
+      source ~/.bash_profile
+      ;;
+    *)
+      source ~/.bashrc
+      ;;
+  esac
+}
+
 _bash-it-describe ()
 {
     _about 'summarizes available bash_it components'