`svn merge -r 1602362:1625207 ^/tiles/request/branches/TREQ_1_0_X`
TREQ-20 spaces in file names are not supported
fixing license headers



git-svn-id: https://svn.apache.org/repos/asf/tiles/request/trunk@1643583 13f79535-47bb-0310-9956-ffa450edef68
TREQ-17: Implement a Strategy pattern for locating ApplicationResources
initial attempt
VelocityToolsRenderer + ApplicationResourceLoader
An attempt at backwards compatibility