Added missing headers.
diff --git a/api/src/main/java/io/mifos/portfolio/api/v1/domain/CostComponent.java b/api/src/main/java/io/mifos/portfolio/api/v1/domain/CostComponent.java
index 058aade..e0be7f8 100644
--- a/api/src/main/java/io/mifos/portfolio/api/v1/domain/CostComponent.java
+++ b/api/src/main/java/io/mifos/portfolio/api/v1/domain/CostComponent.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017 The Mifos Initiative.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
package io.mifos.portfolio.api.v1.domain;
import java.math.BigDecimal;
diff --git a/api/src/main/java/io/mifos/portfolio/api/v1/validation/CheckValidSortColumn.java b/api/src/main/java/io/mifos/portfolio/api/v1/validation/CheckValidSortColumn.java
index 97c1578..34214f3 100644
--- a/api/src/main/java/io/mifos/portfolio/api/v1/validation/CheckValidSortColumn.java
+++ b/api/src/main/java/io/mifos/portfolio/api/v1/validation/CheckValidSortColumn.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017 The Mifos Initiative.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
package io.mifos.portfolio.api.v1.validation;
import javax.validation.ConstraintValidator;
diff --git a/api/src/main/java/io/mifos/portfolio/api/v1/validation/CheckValidSortDirection.java b/api/src/main/java/io/mifos/portfolio/api/v1/validation/CheckValidSortDirection.java
index ad09a58..474eb27 100644
--- a/api/src/main/java/io/mifos/portfolio/api/v1/validation/CheckValidSortDirection.java
+++ b/api/src/main/java/io/mifos/portfolio/api/v1/validation/CheckValidSortDirection.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017 The Mifos Initiative.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
package io.mifos.portfolio.api.v1.validation;
import javax.validation.ConstraintValidator;
diff --git a/api/src/main/java/io/mifos/portfolio/api/v1/validation/ValidSortColumn.java b/api/src/main/java/io/mifos/portfolio/api/v1/validation/ValidSortColumn.java
index cf367a0..49325de 100644
--- a/api/src/main/java/io/mifos/portfolio/api/v1/validation/ValidSortColumn.java
+++ b/api/src/main/java/io/mifos/portfolio/api/v1/validation/ValidSortColumn.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017 The Mifos Initiative.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
package io.mifos.portfolio.api.v1.validation;
import javax.validation.Constraint;
diff --git a/api/src/main/java/io/mifos/portfolio/api/v1/validation/ValidSortDirection.java b/api/src/main/java/io/mifos/portfolio/api/v1/validation/ValidSortDirection.java
index b1f6865..5c2ea97 100644
--- a/api/src/main/java/io/mifos/portfolio/api/v1/validation/ValidSortDirection.java
+++ b/api/src/main/java/io/mifos/portfolio/api/v1/validation/ValidSortDirection.java
@@ -1,3 +1,18 @@
+/*
+ * Copyright 2017 The Mifos Initiative.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
package io.mifos.portfolio.api.v1.validation;
import javax.validation.Constraint;
