mvn: use echoti instead of tput

Avoids forking to tput and some systems don't have tput

plugins/mvn/mvn.plugin.zsh

 # mvn-color based on https://gist.github.com/1027800
-BOLD=$(tput bold)
-UNDERLINE_ON=$(tput smul)
-UNDERLINE_OFF=$(tput rmul)
-TEXT_BLACK=$(tput setaf 0)
-TEXT_RED=$(tput setaf 1)
-TEXT_GREEN=$(tput setaf 2)
-TEXT_YELLOW=$(tput setaf 3)
-TEXT_BLUE=$(tput setaf 4)
-TEXT_MAGENTA=$(tput setaf 5)
-TEXT_CYAN=$(tput setaf 6)
-TEXT_WHITE=$(tput setaf 7)
-BACKGROUND_BLACK=$(tput setab 0)
-BACKGROUND_RED=$(tput setab 1)
-BACKGROUND_GREEN=$(tput setab 2)
-BACKGROUND_YELLOW=$(tput setab 3)
-BACKGROUND_BLUE=$(tput setab 4)
-BACKGROUND_MAGENTA=$(tput setab 5)
-BACKGROUND_CYAN=$(tput setab 6)
-BACKGROUND_WHITE=$(tput setab 7)
-RESET_FORMATTING=$(tput sgr0)
+BOLD=$(echoti bold)
+UNDERLINE_ON=$(echoti smul)
+UNDERLINE_OFF=$(echoti rmul)
+TEXT_BLACK=$(echoti setaf 0)
+TEXT_RED=$(echoti setaf 1)
+TEXT_GREEN=$(echoti setaf 2)
+TEXT_YELLOW=$(echoti setaf 3)
+TEXT_BLUE=$(echoti setaf 4)
+TEXT_MAGENTA=$(echoti setaf 5)
+TEXT_CYAN=$(echoti setaf 6)
+TEXT_WHITE=$(echoti setaf 7)
+BACKGROUND_BLACK=$(echoti setab 0)
+BACKGROUND_RED=$(echoti setab 1)
+BACKGROUND_GREEN=$(echoti setab 2)
+BACKGROUND_YELLOW=$(echoti setab 3)
+BACKGROUND_BLUE=$(echoti setab 4)
+BACKGROUND_MAGENTA=$(echoti setab 5)
+BACKGROUND_CYAN=$(echoti setab 6)
+BACKGROUND_WHITE=$(echoti setab 7)
+RESET_FORMATTING=$(echoti sgr0)
 
 # if found an executable ./mvnw file execute it otherwise execute orignal mvn
 mvn-or-mvnw() {