wordpress-install improvements
wordpress-install improvements

* Idempotent tasks
* Use failed_when for WP installed check

Twansparant/trellis-db-sync,dailysecret/trellis,roots/trellis,kalenjohnson/trellis,newtonne/trellis,fullyint/trellis,roots/trellis,jvandijk/trellis,NicBeltramelli/trellis,afonsoduarte/ansible-stacey,kalenjohnson/trellis,buluma/trellis,kulturavashchi/trellis,mlaa/trellis,fullyint/trellis,dboune/trellis,cimocimocimo/cimo-wordpress-server,SecureCloud-biz/trellis,ChilliCreative/trellis,jeffstieler/bedrock-ansible,cimocimocimo/cimo-wordpress-server,ChilliCreative/trellis,mAAdhaTTah/bedrock-ansible,Twansparant/trellis-db-sync,partounian/trellis,merchantguru/trellis,drewrawitz/wp-ansible,evanfuture/trellis,patrickheeney/trellis,louim/bedrock-ansible,fullyint/trellis,newtonne/trellis,pressbooks/trellis,BrandonShutter/trellis,mAAdhaTTah/bedrock-ansible,newtonne/trellis,partounian/trellis,buluma/trellis,austinpray/bedrock-ansible,dboune/trellis,jvandijk/epwp-trellis,kalenjohnson/trellis,dailysecret/trellis,creditera/trellis,cimocimocimo/cimo-wordpress-server,NicBeltramelli/trellis,buluma/trellis,dmin7b5/trellis,all9lives/trellis,cimocimocimo/cimo-wordpress-server,bbttxu/trellis,mAAdhaTTah/bedrock-ansible,jvandijk/epwp-trellis,mlaa/trellis,partounian/trellis,jeffstieler/bedrock-ansible,ckovey/trellis,NicBeltramelli/trellis,jwkicklighter/trellis,alan-c/trellis,erikbelusic/trellis,jwall/trellis,partounian/trellis,roots/bedrock-ansible,rogeruiz/trellis,NicBeltramelli/trellis,rpkoller/trellis,Twansparant/trellis-db-sync,all9lives/trellis,proteusthemes/pt-ops,buluma/trellis,jeffstieler/bedrock-ansible,kalenjohnson/trellis,proteusthemes/pt-ops,proteusthemes/pt-ops,Twansparant/trellis-db-sync,pressbooks/trellis,skynet/trellis,afonsoduarte/ansible-stacey,fullyint/trellis,alan-c/trellis,ckovey/trellis,drawcard/trellis,mAAdhaTTah/bedrock-ansible,fusionpig/trellis,ThemeSurgeon/trellis,BrandonShutter/trellis,roots/bedrock-ansible