use capit instead of shipit as shipit conflicts with npm package shipit

plugins/capistrano/_capistrano

-#compdef shipit
+#compdef capit
 #autoload
 
-# Added `shipit` because `cap` is a reserved word. `cap` completion doesn't work.
+# Added `capit` because `cap` is a reserved word. `cap` completion doesn't work.
 # http://zsh.sourceforge.net/Doc/Release/Zsh-Modules.html#The-zsh_002fcap-Module
 
 local curcontext="$curcontext" state line ret=1
@@ -14,7 +14,7 @@ _arguments -C \
 _cap_tasks() {
   if [[ -f config/deploy.rb || -f Capfile ]]; then
     if [[ ! -f .cap_tasks~ ]]; then
-      shipit --tasks | sed 's/\(\[\)\(.*\)\(\]\)/\2:/' | awk '{command=$2; $1=$2=$3=""; gsub(/^[ \t\r\n]+/, "", $0); gsub(":", "\\:", command); print command"["$0"]"}' > .cap_tasks~
+      capit --tasks | sed 's/\(\[\)\(.*\)\(\]\)/\2:/' | awk '{command=$2; $1=$2=$3=""; gsub(/^[ \t\r\n]+/, "", $0); gsub(":", "\\:", command); print command"["$0"]"}' > .cap_tasks~
     fi
 
     OLD_IFS=$IFS

plugins/capistrano/capistrano.plugin.zsh

 # Added `shipit` because `cap` is a reserved word. `cap` completion doesn't work.
 # http://zsh.sourceforge.net/Doc/Release/Zsh-Modules.html#The-zsh_002fcap-Module
 
-func shipit() {
+func capit() {
   if [ -f Gemfile ]
   then
     bundle exec cap $*