added option to execute a single step or a list of steps to allow for faster rebuilds during deelopment.
Merge pull request #5 from fmorgner/master

Reformatting plus step-wise execution
fixed init function, directories are now created _after_ the names are set
fixed a bug in loader.sh that prevented files containing whitespaces in their path/name to be opened via double clicking in KiCad.
updated the wxWidgets wxFileHistory patch
Modified the script to work with the KiCad GAL branch.
Fixed 'arch' parameter
Added necessary flags for asm files
Changed the repository address
Initial copy of 2.9.4 patches to 2.9.5.
Unified patches for 2.9.5
Reworked library building & linking.
Cleaning up the architectural hooks. Patching a kicad bug that -debug complains about at launch time.
Switching wx default back to 2.9.4.
Added kicad branch selection hooks to switch more easily between variants.
Removed a few commented lines, fixed indentations
Initial copy of 2.9.4 patches to 2.9.5.
Unified patches for 2.9.5
Reworked library building & linking.
Cleaning up the architectural hooks. Patching a kicad bug that -debug complains about at launch time.