Embedded IDE v3.10.8

[v3.10.8] update

New:

• Project Resource: Add Symbol Table virtual file in Output Files, click it to show elf symbols (support 'armcc', 'gcc', 'iar').
• Builder Options : Add X/O Base, R/O Base, R/W Base options for armcc, and allow import them from keil project.

Optimize:

• launch.json Generator: Don't force override 'svdPath' in launch.json config.
• Project Resource: Show promt when remove a filesystem source dir.