ContextManager.m: cleans up long lines
ContextManager.m: shortens conditionals for DDLogInfo calls
cleans up whitespace
cleans up AddUsersBlogCell.m

- shortens long lines
- reduces length of variable names
- removes whitespace
cleans up CreateAccountAndBlogViewController.m
reduces line lengths in LoginViewController.m
removes empty else blocks
forced Crashlytics update
removes unnecessary else statements
adds default case to switch statements
removes empty if statements
Save context when merging topics.

Closes #2166
changes NSNumber's to literals
removes reduntant nil checks in conditionals
changes switch to if if there are too few cases
removes dead code
removes unnecessary default cases from switches
replace initializers with containter literals
Merge branch 'develop' into cleanup/anti-jank
removes reduntant conditionals
Add methods for blocking a site and deleting its posts.