More strict parsing, better error detection and reporting during parsing
[MODULES-192] Combine/cache code sources by code signers
[MODULES-195] Avoid infinite loop when iterating over modules.
modify a bug: -addindex with -jaxpmodule

the small mistake.
Avoid possible NPE when getting permissions from modules policy
Prep 1.3.4.Final
Next is 1.3.5.Final
MODULES-194 - Add support for parsing maven's settings.xml