Icons update for Kexi, Plan, Author and Braindump

New application icons for Kexi and Plan. Add a feather in Author icon. Enhance color contrast in Braindump icon.

M +- -- braindump/data/icons/hi1024-app-braindump.png
M +- -- braindump/data/icons/hi128-app-braindump.png
M +- -- braindump/data/icons/hi16-app-braindump.png
M +- -- braindump/data/icons/hi22-app-braindump.png
M +- -- braindump/data/icons/hi256-app-braindump.png
M +- -- braindump/data/icons/hi32-app-braindump.png
M +- -- braindump/data/icons/hi48-app-braindump.png
M +- -- braindump/data/icons/hi512-app-braindump.png
M +- -- braindump/data/icons/hi64-app-braindump.png
M +- -- braindump/data/icons/hisc-app-braindump.svgz
M +- -- kexi/pics/app/hi1024-app-calligrakexi.png
M +- -- kexi/pics/app/hi128-app-calligrakexi.png
M +- -- kexi/pics/app/hi16-app-calligrakexi.png
M +- -- kexi/pics/app/hi22-app-calligrakexi.png
M +- -- kexi/pics/app/hi256-app-calligrakexi.png
M +- -- kexi/pics/app/hi32-app-calligrakexi.png
M +- -- kexi/pics/app/hi48-app-calligrakexi.png
M +- -- kexi/pics/app/hi512-app-calligrakexi.png
M +- -- kexi/pics/app/hi64-app-calligrakexi.png
M +- -- kexi/pics/app/hisc-app-calligrakexi.svgz
M +- -- plan/pics/hi1024-app-calligraplan.png
M +- -- plan/pics/hi128-app-calligraplan.png
M +- -- plan/pics/hi16-app-calligraplan.png
M +- -- plan/pics/hi22-app-calligraplan.png
M +- -- plan/pics/hi256-app-calligraplan.png
M +- -- plan/pics/hi32-app-calligraplan.png
M +- -- plan/pics/hi48-app-calligraplan.png
M +- -- plan/pics/hi512-app-calligraplan.png
M +- -- plan/pics/hi64-app-calligraplan.png
M +- -- plan/pics/hisc-app-calligraplan.svgz
M +- -- words/pics/hi1024-app-calligraauthor.png
M +- -- words/pics/hi128-app-calligraauthor.png
M +- -- words/pics/hi16-app-calligraauthor.png
M +- -- words/pics/hi22-app-calligraauthor.png
M +- -- words/pics/hi256-app-calligraauthor.png
M +- -- words/pics/hi32-app-calligraauthor.png
M +- -- words/pics/hi48-app-calligraauthor.png
M +- -- words/pics/hi512-app-calligraauthor.png
M +- -- words/pics/hi64-app-calligraauthor.png
M +- -- words/pics/hisc-app-calligraauthor.svgz