Fix error resolving output path

...
Error: Invalid path src/main/webapp/js/alm/builds/pages/
    at pathToArray (/Users/kharriger/projects/alm/alm-webapp/node_modules/webpack-dev-server/node_modules/webpack-dev-middleware/node_modules/memory-fs/lib/MemoryFileSystem.js:23:38)
    at MemoryFileSystem.mkdirpSync (/Users/kharriger/projects/alm/alm-webapp/node_modules/webpack-dev-server/node_modules/webpack-dev-middleware/node_modules/memory-fs/lib/MemoryFileSystem.js:107:13)
    at MemoryFileSystem.(anonymous function) [as mkdirp] (/Users/kharriger/projects/alm/alm-webapp/node_modules/webpack-dev-server/node_modules/webpack-dev-middleware/node_modules/memory-fs/lib/MemoryFileSystem.js:187:34)
    at Tapable.<anonymous> (/Users/kharriger/projects/alm/alm-webapp/node_modules/webpack/lib/Compiler.js
verify path option present before resolving
Merge pull request #26 from kurtharriger/kharriger-fix-path

Fix error resolving output path