[licensing] Added ASLv2 headers to files without them for v0.4.0.

Fixes #438

.travis.yml

+# Copyright (c) 2010 Yahoo! Inc., 2012 - 2015 YCSB contributors. 
+# All rights reserved.
+#
+# 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. See accompanying
+# LICENSE file.
+
 # more info here about TravisCI and Java projects
 # http://docs.travis-ci.com/user/languages/java/
 

hbase10/src/test/resources/log4j.properties

+#
+# Copyright (c) 2015 YCSB contributors. All rights reserved.
+#
+# 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. See accompanying
+# LICENSE file.
+#
+
 # Root logger option
 log4j.rootLogger=WARN, stderr
 

jdbc/src/main/resources/sql/create_table.mysql

+-- Copyright (c) 2015 YCSB contributors. All rights reserved.
+--
+-- 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. See accompanying
+-- LICENSE file.
+
 -- Creates a Table.
 
 -- Drop the table if it exists;

jdbc/src/main/resources/sql/create_table.sql

+-- Copyright (c) 2015 YCSB contributors. All rights reserved.
+--
+-- 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. See accompanying
+-- LICENSE file.
+
 -- Creates a Table.
 
 -- Drop the table if it exists;

tarantool/src/main/conf/tarantool-hash.lua

+-- Copyright (c) 2015 YCSB contributors. All rights reserved.
+--
+-- 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. See accompanying
+-- LICENSE file.
+
 box.cfg {
    listen=3303,
    logger="tarantool.log",

tarantool/src/main/conf/tarantool-tree.lua

+-- Copyright (c) 2015 YCSB contributors. All rights reserved.
+--
+-- 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. See accompanying
+-- LICENSE file.
+
 box.cfg {
    listen=3303,
    logger="tarantool.log",