EPE-108 Automatically add <file>.manifest as manifest option to eclcc

Fixes EPE-108

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>

Conflicts:
	org.hpccsystems.eclide/src/org/hpccsystems/eclide/builder/ECLCompiler.java
Merge pull request #145 from GordonSmith/EPE-108

EPE-108 Automatically add <file>.manifest as manifest option to eclcc

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>