빌드 환경 설정, 서브모듈 포인터 갱신, 인증서 파일 추가

- build.gradle: nexus 저장소 설정 추가
- .gitmodules: 서브모듈 URL 정리
- elink-online-*: 서브모듈 커밋 포인터 갱신
- certificate/: OAuth 인증서 및 keystore 파일 추가
- context.xml: WebContent META-INF 컨텍스트 설정 추가

WebContent/META-INF/context.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Context>
+    <Resource auth="Container"
+        driverClassName="oracle.jdbc.OracleDriver"
+        maxIdle="10" maxTotal="20" maxWaitMillis="10000"
+        name="jdbc/dsOBP_AGW"
+        type="javax.sql.DataSource"
+        url="jdbc:oracle:thin:@//localhost:1599/DAPM"
+        username="AGWADM" password="elink1234"/>
+    <Resource auth="Container"
+        driverClassName="oracle.jdbc.OracleDriver"
+        maxIdle="10" maxTotal="20" maxWaitMillis="10000"
+        name="jdbc/dsOBP_EMS"
+        type="javax.sql.DataSource"
+        url="jdbc:oracle:thin:@//localhost:1599/DAPM"
+        username="EMSADM" password="elink1234"/>
+    <Resource auth="Container"
+        driverClassName="oracle.jdbc.OracleDriver"
+        maxIdle="10" maxTotal="20" maxWaitMillis="10000"
+        name="jdbc/dsOBP_BAP"
+        type="javax.sql.DataSource"
+        url="jdbc:oracle:thin:@//localhost:1599/DAPM"
+        username="BAPADM" password="elink1234"/>
+</Context>