feature(views): bypasses minification for views like -min/.min

JSMin sometimes cannot handle scripts that have already been minified
by other compressors. This bypasses compression if the view name
suggests it's already compressed.

Fixes #6260
docs(autoloader): more accurate docs for autoloader

Gives a more accurate picture of methods on the autoload manager
and the overall strategy of elgg_register_classes().
fix(ux): Server-side validation for email fields in profile edit action.
feature(file): display file upload limit on file upload form

Refs #6355
docs(views): Updated docs for elgg_extend_view() to address uniqueness of extended views.

Fixes #6661
Merge pull request #6663 from brettp/views_docs

docs(views): Updated docs for elgg_extend_view() to address uniqueness of extended views.
feature(core): allow custom local scripts to trigger on uncaught exceptions #6586
Merge pull request #6606 from beck24/custom-exceptions

feature(core): allow custom local scripts to trigger on uncaught exceptions
feature(comments): Added separate edit page for generic comments

That handles case when user opens edit link in new tab.

Fixes #6666
chore(upgrade): Replaced custom XHR upgrade views and js with a generic implementation
fix(git): Igorning revert commits in Travis and in commit-message git hook.
Merge pull request #6725 from brettp/ignore_reverts

fix(git): Igorning revert commits in Travis and in commit-message git hook
fix(session): session unavailable in shutdown functions

shutdown functions defined in plugin can't access information in session
because this was already closed.
docs(performance): add suggestions for performance and scalability
Merge pull request #6728 from ewinslow/docs-performance

docs(performance): add suggestions for performance and scalability
docs(outline): make titles consistent with each other
Merge pull request #6705 from juho-jaakkola/generic_upgrade_view

Generic XHR upgrade features
docs(tutorials): Add blog, indexpage, widget, and wysiwyg
Merge pull request #6730 from ewinslow/docs-tutorials

Docs tutorials
perf(upgrade): ajaxifies data directory migration

This allows upgrade.php to complete more quickly by moving the
user data directory migrations to a separate page with an
ajax process.

Fixes #6202