add basic JPA Settings use h2 database for dev
specified java version 1.8
Implement register, login with JPA
add test /account/login failed case
add basic JPA Settings use h2 database for dev
specified java version 1.8
Implement register, login with JPA
add test /account/login failed case
add environment settings for heroku
modify script path on heroku environments
modify miss in persistence.xml
Merge conflict

Conflicts:
	build.sbt
	conf/META-INF/persistence.xml
Added MailService using SendGrid

SendGridを使ったメール送信サービスを追加しました。
Merge branch 'step3' of github.com:flect-shimizu/ht-java-play23 into step3

Conflicts:
	conf/application.conf