Adding commit feature.

Squashed commit of the following:

commit cde6e5de0238ff89d0a2d51018b0c14b38fc481c
Author: Dawid Pura <puradawid@gmail.com>
Date:   Sun Apr 6 20:36:48 2014 +0200

    Changed Form to ModelForm class
     - less code
     - errors handling

commit f97e45c632b648af96ecb1d7a65248aeb031f2f4
Author: Dawid Pura <puradawid@gmail.com>
Date:   Sun Apr 6 15:11:26 2014 +0200

    #CHANGE: view and template changed to work with form class

commit 7470b5520781c59e207f63122da9b30b9e021b9e
Author: Dawid Pura <puradawid@gmail.com>
Date:   Sun Apr 6 15:08:18 2014 +0200

    Form for paste creation added

commit b2a91b31071da56c3a0504153fe03be8e831447b
Author: Dawid Pura <puradawid@gmail.com>
Date:   Sun Apr 6 12:05:47 2014 +0200

    (HOTFIX)::Added syntax into creation of paste

commit 680a8ad3f59cbe022befafbd586630e0f33c9a60
Author: Dawid Pura <puradawid@gmail.com>
Date:   Sun Apr 6 11:46:53 2014 +0200

    New paste handling added

commit d759a881e6388bcf3802c92a9589afbc6b33da9c
Author: Dawid Pura <puradawid@gmail.com>
Date:   Sun Apr 6 11:34:50 2014 +0200

    Added view to creating one paste