Rename routes and templates in corpora package

app/corpora/decorators.py

app/corpora/files/routes.py

app/corpora/routes.py

app/static/js/CorpusAnalysis/CorpusAnalysisApp.js

app/templates/_scripts.html.j2

app/templates/corpora/_analysis/concordance.html.j2

app/templates/corpora/_analysis/reader.html.j2

app/templates/corpora/analysis.html.j2

app/templates/corpora/corpus.html.j2

app/templates/corpora/create.html.j2

app/templates/corpora/files/create.html.j2

app/templates/corpora/import.html.j2

app/templates/main/_manual_modal.html.j2

app/templates/main/_manual_modal/_01_introduction.html.j2

...es/main/_manual_modal/_02_registration_and_log_in.html.j2

app/templates/main/_manual_modal/_03_dashboard.html.j2

app/templates/main/_manual_modal/_06_services.html.j2

...al_modal/_07_a_closer_look_at_the_corpus_analysis.html.j2

...mplates/main/_manual_modal/_08_cqp_query_language.html.j2

app/templates/main/_manual_modal/_09_query_builder.html.j2