#2 Post Pictures added.
#2 Post Pictures nested form init fixed.
#2 Post Pictures nested form button styled.
#3 Post Pictures fixed and show slide added.
#3 Post Category selected fix.
#4 Category picture added.
#4 Category validates added.
#5 Post tags included.
#5 Post tags show fixed.
Merge branch 'release/0.3.0' into develop