Fixed typos (catched -> caught), removed whitespace

(cherry picked from commit a633b3ddaa56152ed2fd06b9033bb5e0c341f745)

Fixed typos (thats -> that's) and many more

(cherry picked from commit cfd52e183e60a1a0f86b79e1f5a1cdd3ab0b202f)

Fixed several typos

(cherry picked from commit c47da6ea653604c64a84e90ede2d0a69fcd8f7e9)

Fixed typo (errror -> error)

(cherry picked from commit 9c3cb57a3fc95052cf38f1786de15fb3a9d9ea0c)

Fixed typo (explicitely -> explicitly) and some more

(cherry picked from commit 56b8eddca8dfa483d4f8ff0d4ce385505d8407b6)

Cleaned up resource files

(cherry picked from commit a30e0b2c7f273644228216bfd3f6dc5c3ce12d34)

Fixed typos (internaly -> internally) and some more

(cherry picked from commit 06fea5eb2b9aa5023a47343a2dfc561c5943149a)

Optimized dialog for custom slideshows

(cherry picked from commit 1060bdbf8310c3ee8a537c4bd536b5dd2505b651)

Cleaned up resource files

(cherry picked from commit 51f11a454dfb1cd695d77e817d8ea21200d8c1a9)

Resized dialog for custom slideshows

(cherry picked from commit 594a32bbe94f2c10f14af2c93221b638f9752e1f)

Re-added German strings (not sure what they are good for...)

(cherry picked from commit 4ca4cb65f46f15f7b68c674324a5e3ae92bee49f)

Cleaned up resource files

(cherry picked from commit 96181bbdd55728c2d8242201a4239f808c69ac32)

Fixed typos (contex -> context)

(cherry picked from commit 6f247e9c8aac1895f310561142b0e64ebdd27411)

Cleaned up resource file (part2)

(cherry picked from commit 422409c1ff2c71e2632bd498b6110b0de5c823a0)

Cleaned up resource file

(cherry picked from commit 08a7cf4ad9871234a6dff639fb787dbb76a50a74)

Fixed typos (the the -> the) and some more

(cherry picked from commit 7950f2af818787db817abe90d4dbb3d6d8409899)

Cleaned up resource files

(cherry picked from commit 290655ead292c0b99254bf13ae257625999db294)

Cleaned up resource files

(cherry picked from commit 8bd2fba0ca1c6b158f7b891dcbf7cb2587668c5e)

Fixed error from last commit

(cherry picked from commit 1dbd2daeb9efcbba525539fb0f07c7d4edd92675)

Cleaned up resource file

(cherry picked from commit 8683d3bcbd0e04f3b4472f87584897d7ee45e735)

Icons were changed to PNG long ago

(cherry picked from commit 41f1e1a1fa521ebde71296f61221526bfe3abe84)

Icons were changed to PNG long ago

(cherry picked from commit c2fa47f5ddba183852db645d43f53c529b09eec6)

Cleaned up resource files

(cherry picked from commit db2d270d11234a238d8ea67b7171d900a83dc846)

Cleaned up resource file

(cherry picked from commit fe14dfa647c41d55ccb69a958a161554491355e2)

Cleaned up whitespace

(cherry picked from commit 9c7dbd4d313bc2c6ebc39f4ddc9cdb4b32ff4eb5)