Fixed Dashboard Link

Dashboard link points nowhere
Clarification of Upgrade Instructions

Clarifying some of the upgrade instructions.
Fixed some typos and grammer.
Removed duplicate reference to composer update in
upgrading_v0.7_to_v.08.md
Fix variable naming error for #97
Merge pull request #94 from Nutbolt52/dev

Fixed Dashboard Link
Merge pull request #95 from Nutbolt52/doc

Clarification of Upgrade Instructions
Character Calendar Events
extension of anchor
Convert from using Auth to Sentry, with a first pass at adding permissions to sidebar and key management
rename UserController to SessionController to make way for a UserController that manages users
add back UserController and corresponding views, this time to manage users
add note about having to run sentry migrations, also prevent a user from deleting himself
assets now show m3 inside containers
layout change
make character views show when the skill queue will run out in addition to just the currently training skill
add a nil check on the character view page for when skill queue is empty
Fix a typo that causes non-superuser logins to not be able to view the List All Keys page
add mission rewards tab to wallet ledger, fix PI tax panel to show the payer instead of the payee which is always the corp
Move Sentry's migrations into the main folder, also update reminders to work with sentry (which also requires a migration)
Merge pull request #103 from omgninjaz/sentry

Sentry
Add comments, formatting and class resolution fix