Windows: Update build_projects.bat to use MSBuild if available (issue #688).

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk/cef3@1162 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
Minor improvements to API has generation (issue #914).

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk/cef3@1163 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
Linux: Update build_projects.sh to include the target name in the make command.

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk/cef3@1164 5089003a-bbd8-11dd-ad1f-f1f9622dbc98