NXP-10566: cleanup to make sonar happy
NXP-12229: do not copy taglibs to the main META-INF directory (useless, and triggering an info log at startup on tomcat 7)
NXP-12229: remove now useless install command from deployment fragment (cleanup)
NXP-10566: align el-api on tomcat 7 provided lib
NXP-10566: add explicit dep to tomcat-el-api (provided)