* update README about DolphinScheduler
* Update issue templates
* update
* regularize api pom xml
update rpc maven compile to 1.8
* regularize api pom xml
* change commons.lang3.StringUtils to common.utils.StringUtils
* update pom.xml
* update
* correct equals method
* jasper-runtime is needed when api server start
* jasper-runtime jar is needed when api server start
* combine logback config of master/worker/alert/api server to one logback.xml
* remove tomcat runtime jar
* add UT
* add license
* remove jasper-runtime jar, not need anymore
* sovle jar conflict, remove servlet-api 2.5 jar
* remove servlet 2.5
Co-authored-by: DS <escheduler@outlook.com>