Change default framework view (issue #17)

This version introduces multiple enhancements:

applied base view styles and templates to commit generator

Details of additions/deletions below:
--------------------------------------------------------------

Modified:   /BLUE_FRAMEWORK/cfg/tree.xml
            -- Updated --
                changed commit page, added base styles and breadcrumbs

Modified:   /BLUE_FRAMEWORK/elements/css/styles.css
            -- Updated --
                header styles

Modified:   /BLUE_FRAMEWORK/modules/commit/layouts/generate.html
            -- Updated --
                added panel class to generated content block

Modified:   /BLUE_FRAMEWORK/elements/layouts/commit.html
            -- Updated --
                replaced old header and footer by new one

Modified:   /BLUE_FRAMEWORK/elements/layouts/examples/header.html
            -- Added --
                added url to commit generator in menu